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Finding the Fourth Proportional to 87,392.65, 131,091.87 and 24,213.40

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Solution

The fourth proportional to 87,392.65, 131,091.87 and 24,213.40 is: 36,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,392.65 : 131,091.87 = 24,213.40 : x
  2. Step 2: Convert to fraction form
    87,392.65/131,091.87 = 24,213.40/x
  3. Step 3: Cross multiply
    87,392.65x = 131,091.87 × 24,213.40
  4. Step 4: Simplify right side
    87,392.65x = 3,174,179,885.06
  5. Step 5: Solve for x
    x = 3,174,179,885.06/87,392.65
  6. Step 6: Final answer
    x = 36,320.90

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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.