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Finding the Fourth Proportional to 169,221.43, 253,565.11 and 62,458.44

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Solution

The fourth proportional to 169,221.43, 253,565.11 and 62,458.44 is: 93,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,221.43 : 253,565.11 = 62,458.44 : x
  2. Step 2: Convert to fraction form
    169,221.43/253,565.11 = 62,458.44/x
  3. Step 3: Cross multiply
    169,221.43x = 253,565.11 × 62,458.44
  4. Step 4: Simplify right side
    169,221.43x = 15,837,281,209.03
  5. Step 5: Solve for x
    x = 15,837,281,209.03/169,221.43
  6. Step 6: Final answer
    x = 93,589.10

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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.