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Finding the Fourth Proportional to 87,902.91, 131,858.00 and 25,573.41

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Solution

The fourth proportional to 87,902.91, 131,858.00 and 25,573.41 is: 38,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.91 : 131,858.00 = 25,573.41 : x
  2. Step 2: Convert to fraction form
    87,902.91/131,858.00 = 25,573.41/x
  3. Step 3: Cross multiply
    87,902.91x = 131,858.00 × 25,573.41
  4. Step 4: Simplify right side
    87,902.91x = 3,372,057,908.62
  5. Step 5: Solve for x
    x = 3,372,057,908.62/87,902.91
  6. Step 6: Final answer
    x = 38,361.17

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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.