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Finding the Fourth Proportional to 63,698.20, 95,658.18 and 58,691.20

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Solution

The fourth proportional to 63,698.20, 95,658.18 and 58,691.20 is: 88,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,698.20 : 95,658.18 = 58,691.20 : x
  2. Step 2: Convert to fraction form
    63,698.20/95,658.18 = 58,691.20/x
  3. Step 3: Cross multiply
    63,698.20x = 95,658.18 × 58,691.20
  4. Step 4: Simplify right side
    63,698.20x = 5,614,293,374.02
  5. Step 5: Solve for x
    x = 5,614,293,374.02/63,698.20
  6. Step 6: Final answer
    x = 88,138.96

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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.