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Finding the Fourth Proportional to 100,251.46, 150,377.16 and 25,371.99

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Solution

The fourth proportional to 100,251.46, 150,377.16 and 25,371.99 is: 38,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,251.46 : 150,377.16 = 25,371.99 : x
  2. Step 2: Convert to fraction form
    100,251.46/150,377.16 = 25,371.99/x
  3. Step 3: Cross multiply
    100,251.46x = 150,377.16 × 25,371.99
  4. Step 4: Simplify right side
    100,251.46x = 3,815,367,799.75
  5. Step 5: Solve for x
    x = 3,815,367,799.75/100,251.46
  6. Step 6: Final answer
    x = 38,057.98

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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.