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Finding the Fourth Proportional to 89,399.62, 134,099.42 and 22,839.88

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Solution

The fourth proportional to 89,399.62, 134,099.42 and 22,839.88 is: 34,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,399.62 : 134,099.42 = 22,839.88 : x
  2. Step 2: Convert to fraction form
    89,399.62/134,099.42 = 22,839.88/x
  3. Step 3: Cross multiply
    89,399.62x = 134,099.42 × 22,839.88
  4. Step 4: Simplify right side
    89,399.62x = 3,062,814,660.87
  5. Step 5: Solve for x
    x = 3,062,814,660.87/89,399.62
  6. Step 6: Final answer
    x = 34,259.82

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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.