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Finding the Fourth Proportional to 87,803.71, 131,690.70 and 24,609.28

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Solution

The fourth proportional to 87,803.71, 131,690.70 and 24,609.28 is: 36,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,803.71 : 131,690.70 = 24,609.28 : x
  2. Step 2: Convert to fraction form
    87,803.71/131,690.70 = 24,609.28/x
  3. Step 3: Cross multiply
    87,803.71x = 131,690.70 × 24,609.28
  4. Step 4: Simplify right side
    87,803.71x = 3,240,813,227.39
  5. Step 5: Solve for x
    x = 3,240,813,227.39/87,803.71
  6. Step 6: Final answer
    x = 36,909.75

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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.