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Finding the Fourth Proportional to 168,487.62, 232,552.80 and 96,909

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Solution

The fourth proportional to 168,487.62, 232,552.80 and 96,909 is: 133,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487.62 : 232,552.80 = 96,909 : x
  2. Step 2: Convert to fraction form
    168,487.62/232,552.80 = 96,909/x
  3. Step 3: Cross multiply
    168,487.62x = 232,552.80 × 96,909
  4. Step 4: Simplify right side
    168,487.62x = 22,536,459,295.20
  5. Step 5: Solve for x
    x = 22,536,459,295.20/168,487.62
  6. Step 6: Final answer
    x = 133,757.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.