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Finding the Fourth Proportional to 178,273.36, 267,375.48 and 67,474

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Solution

The fourth proportional to 178,273.36, 267,375.48 and 67,474 is: 101,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,273.36 : 267,375.48 = 67,474 : x
  2. Step 2: Convert to fraction form
    178,273.36/267,375.48 = 67,474/x
  3. Step 3: Cross multiply
    178,273.36x = 267,375.48 × 67,474
  4. Step 4: Simplify right side
    178,273.36x = 18,040,893,137.52
  5. Step 5: Solve for x
    x = 18,040,893,137.52/178,273.36
  6. Step 6: Final answer
    x = 101,197.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.