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Finding the Fourth Proportional to 87,360.88, 131,064 and 25,036.24

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Solution

The fourth proportional to 87,360.88, 131,064 and 25,036.24 is: 37,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,360.88 : 131,064 = 25,036.24 : x
  2. Step 2: Convert to fraction form
    87,360.88/131,064 = 25,036.24/x
  3. Step 3: Cross multiply
    87,360.88x = 131,064 × 25,036.24
  4. Step 4: Simplify right side
    87,360.88x = 3,281,349,759.36
  5. Step 5: Solve for x
    x = 3,281,349,759.36/87,360.88
  6. Step 6: Final answer
    x = 37,560.86

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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.