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Finding the Fourth Proportional to 95,753.70, 143,416.62 and 69,397.92

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Solution

The fourth proportional to 95,753.70, 143,416.62 and 69,397.92 is: 103,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,753.70 : 143,416.62 = 69,397.92 : x
  2. Step 2: Convert to fraction form
    95,753.70/143,416.62 = 69,397.92/x
  3. Step 3: Cross multiply
    95,753.70x = 143,416.62 × 69,397.92
  4. Step 4: Simplify right side
    95,753.70x = 9,952,815,121.43
  5. Step 5: Solve for x
    x = 9,952,815,121.43/95,753.70
  6. Step 6: Final answer
    x = 103,941.83

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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.