1. **State the problem:** Santiago wants to place his dresser and bed along the same wall. We need to find the total length of the wall required. 2. **Identify the given values:** - Dresser width = 72.33 inches - Bed length = 99.32 inches 3. **Formula used:** To find the total length needed, add the lengths of the dresser and bed: $$\text{Total length} = \text{Dresser width} + \text{Bed length}$$ 4. **Calculate:** $$\text{Total length} = 72.33 + 99.32 = 171.65$$ 5. **Interpretation:** The bedroom wall needs to be at least 171.65 inches long to fit both the dresser and the bed side by side. **Final answer:** The bedroom wall must be at least $171.65$ inches long.