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Finding the Fourth Proportional to 87,362.88, 131,067 and 25,038.24

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Solution

The fourth proportional to 87,362.88, 131,067 and 25,038.24 is: 37,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.88 : 131,067 = 25,038.24 : x
  2. Step 2: Convert to fraction form
    87,362.88/131,067 = 25,038.24/x
  3. Step 3: Cross multiply
    87,362.88x = 131,067 × 25,038.24
  4. Step 4: Simplify right side
    87,362.88x = 3,281,687,002.08
  5. Step 5: Solve for x
    x = 3,281,687,002.08/87,362.88
  6. Step 6: Final answer
    x = 37,563.86

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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.