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Finding the Fourth Proportional to 344,691.52, 517,037.28 and 108,052.48

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Solution

The fourth proportional to 344,691.52, 517,037.28 and 108,052.48 is: 162,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,691.52 : 517,037.28 = 108,052.48 : x
  2. Step 2: Convert to fraction form
    344,691.52/517,037.28 = 108,052.48/x
  3. Step 3: Cross multiply
    344,691.52x = 517,037.28 × 108,052.48
  4. Step 4: Simplify right side
    344,691.52x = 55,867,160,356.45
  5. Step 5: Solve for x
    x = 55,867,160,356.45/344,691.52
  6. Step 6: Final answer
    x = 162,078.72

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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.