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Finding the Fourth Proportional to 193,856.73, 267,471.72 and 113,238.44

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Solution

The fourth proportional to 193,856.73, 267,471.72 and 113,238.44 is: 156,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,856.73 : 267,471.72 = 113,238.44 : x
  2. Step 2: Convert to fraction form
    193,856.73/267,471.72 = 113,238.44/x
  3. Step 3: Cross multiply
    193,856.73x = 267,471.72 × 113,238.44
  4. Step 4: Simplify right side
    193,856.73x = 30,288,079,982.58
  5. Step 5: Solve for x
    x = 30,288,079,982.58/193,856.73
  6. Step 6: Final answer
    x = 156,239.51

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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.