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Finding the Fourth Proportional to 87,275.97, 130,911.34 and 24,099.96

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Solution

The fourth proportional to 87,275.97, 130,911.34 and 24,099.96 is: 36,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,275.97 : 130,911.34 = 24,099.96 : x
  2. Step 2: Convert to fraction form
    87,275.97/130,911.34 = 24,099.96/x
  3. Step 3: Cross multiply
    87,275.97x = 130,911.34 × 24,099.96
  4. Step 4: Simplify right side
    87,275.97x = 3,154,958,057.55
  5. Step 5: Solve for x
    x = 3,154,958,057.55/87,275.97
  6. Step 6: Final answer
    x = 36,149.22

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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.