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Finding the Fourth Proportional to 87,126.59, 130,687.97 and 35,824.44

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Solution

The fourth proportional to 87,126.59, 130,687.97 and 35,824.44 is: 53,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,126.59 : 130,687.97 = 35,824.44 : x
  2. Step 2: Convert to fraction form
    87,126.59/130,687.97 = 35,824.44/x
  3. Step 3: Cross multiply
    87,126.59x = 130,687.97 × 35,824.44
  4. Step 4: Simplify right side
    87,126.59x = 4,681,823,577.15
  5. Step 5: Solve for x
    x = 4,681,823,577.15/87,126.59
  6. Step 6: Final answer
    x = 53,735.87

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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.