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Finding the Fourth Proportional to 87,272.70, 130,911.87 and 24,097.56

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Solution

The fourth proportional to 87,272.70, 130,911.87 and 24,097.56 is: 36,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,272.70 : 130,911.87 = 24,097.56 : x
  2. Step 2: Convert to fraction form
    87,272.70/130,911.87 = 24,097.56/x
  3. Step 3: Cross multiply
    87,272.70x = 130,911.87 × 24,097.56
  4. Step 4: Simplify right side
    87,272.70x = 3,154,656,642.04
  5. Step 5: Solve for x
    x = 3,154,656,642.04/87,272.70
  6. Step 6: Final answer
    x = 36,147.12

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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.