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Finding the Fourth Proportional to 272,765.73, 409,335.87 and 95,272.92

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Solution

The fourth proportional to 272,765.73, 409,335.87 and 95,272.92 is: 142,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,765.73 : 409,335.87 = 95,272.92 : x
  2. Step 2: Convert to fraction form
    272,765.73/409,335.87 = 95,272.92/x
  3. Step 3: Cross multiply
    272,765.73x = 409,335.87 × 95,272.92
  4. Step 4: Simplify right side
    272,765.73x = 38,998,623,595.64
  5. Step 5: Solve for x
    x = 38,998,623,595.64/272,765.73
  6. Step 6: Final answer
    x = 142,974.79

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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.