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Finding the Fourth Proportional to 150,167.80, 225,251.70 and 136,389.70

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Solution

The fourth proportional to 150,167.80, 225,251.70 and 136,389.70 is: 204,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.80 : 225,251.70 = 136,389.70 : x
  2. Step 2: Convert to fraction form
    150,167.80/225,251.70 = 136,389.70/x
  3. Step 3: Cross multiply
    150,167.80x = 225,251.70 × 136,389.70
  4. Step 4: Simplify right side
    150,167.80x = 30,722,011,787.49
  5. Step 5: Solve for x
    x = 30,722,011,787.49/150,167.80
  6. Step 6: Final answer
    x = 204,584.55

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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.