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Finding the Fourth Proportional to 247,798.56, 341,951.01 and 140,366.43

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Solution

The fourth proportional to 247,798.56, 341,951.01 and 140,366.43 is: 193,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,798.56 : 341,951.01 = 140,366.43 : x
  2. Step 2: Convert to fraction form
    247,798.56/341,951.01 = 140,366.43/x
  3. Step 3: Cross multiply
    247,798.56x = 341,951.01 × 140,366.43
  4. Step 4: Simplify right side
    247,798.56x = 47,998,442,508.59
  5. Step 5: Solve for x
    x = 47,998,442,508.59/247,798.56
  6. Step 6: Final answer
    x = 193,699.44

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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.