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Finding the Fourth Proportional to 87,135.87, 130,693.41 and 23,962.41

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Solution

The fourth proportional to 87,135.87, 130,693.41 and 23,962.41 is: 35,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,135.87 : 130,693.41 = 23,962.41 : x
  2. Step 2: Convert to fraction form
    87,135.87/130,693.41 = 23,962.41/x
  3. Step 3: Cross multiply
    87,135.87x = 130,693.41 × 23,962.41
  4. Step 4: Simplify right side
    87,135.87x = 3,131,729,074.72
  5. Step 5: Solve for x
    x = 3,131,729,074.72/87,135.87
  6. Step 6: Final answer
    x = 35,940.76

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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.