Finding the Fourth Proportional to 170,542.49, 255,991.17 and 125,614.58
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Solution
The fourth proportional to 170,542.49, 255,991.17 and 125,614.58 is: 188,552.56
Step by Step Solution
- Step 1: Write the proportion equation
170,542.49 : 255,991.17 = 125,614.58 : x - Step 2: Convert to fraction form
170,542.49/255,991.17 = 125,614.58/x - Step 3: Cross multiply
170,542.49x = 255,991.17 × 125,614.58 - Step 4: Simplify right side
170,542.49x = 32,156,222,023.30 - Step 5: Solve for x
x = 32,156,222,023.30/170,542.49 - Step 6: Final answer
x = 188,552.56
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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.