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Finding the Fourth Proportional to 247,699.20, 341,819.28 and 134,519.52

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Solution

The fourth proportional to 247,699.20, 341,819.28 and 134,519.52 is: 185,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,699.20 : 341,819.28 = 134,519.52 : x
  2. Step 2: Convert to fraction form
    247,699.20/341,819.28 = 134,519.52/x
  3. Step 3: Cross multiply
    247,699.20x = 341,819.28 × 134,519.52
  4. Step 4: Simplify right side
    247,699.20x = 45,981,365,472.35
  5. Step 5: Solve for x
    x = 45,981,365,472.35/247,699.20
  6. Step 6: Final answer
    x = 185,633.89

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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.