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Finding the Fourth Proportional to 63,777.65, 95,529.78 and 51,874.90

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Solution

The fourth proportional to 63,777.65, 95,529.78 and 51,874.90 is: 77,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,777.65 : 95,529.78 = 51,874.90 : x
  2. Step 2: Convert to fraction form
    63,777.65/95,529.78 = 51,874.90/x
  3. Step 3: Cross multiply
    63,777.65x = 95,529.78 × 51,874.90
  4. Step 4: Simplify right side
    63,777.65x = 4,955,597,545.70
  5. Step 5: Solve for x
    x = 4,955,597,545.70/63,777.65
  6. Step 6: Final answer
    x = 77,701.17

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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.