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Finding the Fourth Proportional to 87,452.50, 131,200.89 and 25,123

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Solution

The fourth proportional to 87,452.50, 131,200.89 and 25,123 is: 37,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.50 : 131,200.89 = 25,123 : x
  2. Step 2: Convert to fraction form
    87,452.50/131,200.89 = 25,123/x
  3. Step 3: Cross multiply
    87,452.50x = 131,200.89 × 25,123
  4. Step 4: Simplify right side
    87,452.50x = 3,296,159,959.47
  5. Step 5: Solve for x
    x = 3,296,159,959.47/87,452.50
  6. Step 6: Final answer
    x = 37,690.86

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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.