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Finding the Fourth Proportional to 60,129.38, 90,179.49 and 25,049.90

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Solution

The fourth proportional to 60,129.38, 90,179.49 and 25,049.90 is: 37,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.38 : 90,179.49 = 25,049.90 : x
  2. Step 2: Convert to fraction form
    60,129.38/90,179.49 = 25,049.90/x
  3. Step 3: Cross multiply
    60,129.38x = 90,179.49 × 25,049.90
  4. Step 4: Simplify right side
    60,129.38x = 2,258,987,525.94
  5. Step 5: Solve for x
    x = 2,258,987,525.94/60,129.38
  6. Step 6: Final answer
    x = 37,568.78

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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.