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Finding the Fourth Proportional to 193,270.92, 267,079.92 and 145,440.96

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Solution

The fourth proportional to 193,270.92, 267,079.92 and 145,440.96 is: 200,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,270.92 : 267,079.92 = 145,440.96 : x
  2. Step 2: Convert to fraction form
    193,270.92/267,079.92 = 145,440.96/x
  3. Step 3: Cross multiply
    193,270.92x = 267,079.92 × 145,440.96
  4. Step 4: Simplify right side
    193,270.92x = 38,844,359,961.52
  5. Step 5: Solve for x
    x = 38,844,359,961.52/193,270.92
  6. Step 6: Final answer
    x = 200,983.99

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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.