Finding the Fourth Proportional to 168,221.92, 252,363.12 and 57,388
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Solution
The fourth proportional to 168,221.92, 252,363.12 and 57,388 is: 86,092.32
Step by Step Solution
- Step 1: Write the proportion equation
168,221.92 : 252,363.12 = 57,388 : x - Step 2: Convert to fraction form
168,221.92/252,363.12 = 57,388/x - Step 3: Cross multiply
168,221.92x = 252,363.12 × 57,388 - Step 4: Simplify right side
168,221.92x = 14,482,614,730.56 - Step 5: Solve for x
x = 14,482,614,730.56/168,221.92 - Step 6: Final answer
x = 86,092.32
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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.