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Finding the Fourth Proportional to 270,652.16, 373,500.70 and 149,801.78

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Solution

The fourth proportional to 270,652.16, 373,500.70 and 149,801.78 is: 206,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,652.16 : 373,500.70 = 149,801.78 : x
  2. Step 2: Convert to fraction form
    270,652.16/373,500.70 = 149,801.78/x
  3. Step 3: Cross multiply
    270,652.16x = 373,500.70 × 149,801.78
  4. Step 4: Simplify right side
    270,652.16x = 55,951,069,691.25
  5. Step 5: Solve for x
    x = 55,951,069,691.25/270,652.16
  6. Step 6: Final answer
    x = 206,726.85

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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.