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Finding the Fourth Proportional to 270,338.59, 373,052.19 and 149,472.61

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Solution

The fourth proportional to 270,338.59, 373,052.19 and 149,472.61 is: 206,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,338.59 : 373,052.19 = 149,472.61 : x
  2. Step 2: Convert to fraction form
    270,338.59/373,052.19 = 149,472.61/x
  3. Step 3: Cross multiply
    270,338.59x = 373,052.19 × 149,472.61
  4. Step 4: Simplify right side
    270,338.59x = 55,761,084,505.52
  5. Step 5: Solve for x
    x = 55,761,084,505.52/270,338.59
  6. Step 6: Final answer
    x = 206,263.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.