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Finding the Fourth Proportional to 87,151, 130,723.58 and 24,821.50

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Solution

The fourth proportional to 87,151, 130,723.58 and 24,821.50 is: 37,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,151 : 130,723.58 = 24,821.50 : x
  2. Step 2: Convert to fraction form
    87,151/130,723.58 = 24,821.50/x
  3. Step 3: Cross multiply
    87,151x = 130,723.58 × 24,821.50
  4. Step 4: Simplify right side
    87,151x = 3,244,755,340.97
  5. Step 5: Solve for x
    x = 3,244,755,340.97/87,151
  6. Step 6: Final answer
    x = 37,231.42

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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.