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Finding the Fourth Proportional to 267,371.52, 368,972.68 and 148,139.52

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Solution

The fourth proportional to 267,371.52, 368,972.68 and 148,139.52 is: 204,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,371.52 : 368,972.68 = 148,139.52 : x
  2. Step 2: Convert to fraction form
    267,371.52/368,972.68 = 148,139.52/x
  3. Step 3: Cross multiply
    267,371.52x = 368,972.68 × 148,139.52
  4. Step 4: Simplify right side
    267,371.52x = 54,659,435,708.31
  5. Step 5: Solve for x
    x = 54,659,435,708.31/267,371.52
  6. Step 6: Final answer
    x = 204,432.53

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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.