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Finding the Fourth Proportional to 179,414.20, 269,121.30 and 149,889.70

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Solution

The fourth proportional to 179,414.20, 269,121.30 and 149,889.70 is: 224,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,414.20 : 269,121.30 = 149,889.70 : x
  2. Step 2: Convert to fraction form
    179,414.20/269,121.30 = 149,889.70/x
  3. Step 3: Cross multiply
    179,414.20x = 269,121.30 × 149,889.70
  4. Step 4: Simplify right side
    179,414.20x = 40,338,510,920.61
  5. Step 5: Solve for x
    x = 40,338,510,920.61/179,414.20
  6. Step 6: Final answer
    x = 224,834.55

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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.