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Finding the Fourth Proportional to 101,425.68, 152,138.40 and 39,052.44

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Solution

The fourth proportional to 101,425.68, 152,138.40 and 39,052.44 is: 58,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,425.68 : 152,138.40 = 39,052.44 : x
  2. Step 2: Convert to fraction form
    101,425.68/152,138.40 = 39,052.44/x
  3. Step 3: Cross multiply
    101,425.68x = 152,138.40 × 39,052.44
  4. Step 4: Simplify right side
    101,425.68x = 5,941,375,737.70
  5. Step 5: Solve for x
    x = 5,941,375,737.70/101,425.68
  6. Step 6: Final answer
    x = 58,578.61

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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.