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Finding the Fourth Proportional to 202,691.76, 279,793.56 and 181,434.24

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Solution

The fourth proportional to 202,691.76, 279,793.56 and 181,434.24 is: 250,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,691.76 : 279,793.56 = 181,434.24 : x
  2. Step 2: Convert to fraction form
    202,691.76/279,793.56 = 181,434.24/x
  3. Step 3: Cross multiply
    202,691.76x = 279,793.56 × 181,434.24
  4. Step 4: Simplify right side
    202,691.76x = 50,764,131,915.49
  5. Step 5: Solve for x
    x = 50,764,131,915.49/202,691.76
  6. Step 6: Final answer
    x = 250,449.90

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1.5x scale

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.