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Finding the Fourth Proportional to 87,606.68, 131,440.49 and 27,644.40

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Solution

The fourth proportional to 87,606.68, 131,440.49 and 27,644.40 is: 41,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.68 : 131,440.49 = 27,644.40 : x
  2. Step 2: Convert to fraction form
    87,606.68/131,440.49 = 27,644.40/x
  3. Step 3: Cross multiply
    87,606.68x = 131,440.49 × 27,644.40
  4. Step 4: Simplify right side
    87,606.68x = 3,633,593,550.87
  5. Step 5: Solve for x
    x = 3,633,593,550.87/87,606.68
  6. Step 6: Final answer
    x = 41,476.22

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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.