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Finding the Fourth Proportional to 270,049.54, 372,667.17 and 149,190.85

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Solution

The fourth proportional to 270,049.54, 372,667.17 and 149,190.85 is: 205,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,049.54 : 372,667.17 = 149,190.85 : x
  2. Step 2: Convert to fraction form
    270,049.54/372,667.17 = 149,190.85/x
  3. Step 3: Cross multiply
    270,049.54x = 372,667.17 × 149,190.85
  4. Step 4: Simplify right side
    270,049.54x = 55,598,531,859.39
  5. Step 5: Solve for x
    x = 55,598,531,859.39/270,049.54
  6. Step 6: Final answer
    x = 205,882.71

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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.