Finding the Fourth Proportional to 112,752,334.80, 169,128,502.20 and 96,313,093.20
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Solution
The fourth proportional to 112,752,334.80, 169,128,502.20 and 96,313,093.20 is: 144,469,639.80
Step by Step Solution
- Step 1: Write the proportion equation
112,752,334.80 : 169,128,502.20 = 96,313,093.20 : x - Step 2: Convert to fraction form
112,752,334.80/169,128,502.20 = 96,313,093.20/x - Step 3: Cross multiply
112,752,334.80x = 169,128,502.20 × 96,313,093.20 - Step 4: Simplify right side
112,752,334.80x = 16,289,289,195,165,004 - Step 5: Solve for x
x = 16,289,289,195,165,004/112,752,334.80 - Step 6: Final answer
x = 144,469,639.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.