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Finding the Fourth Proportional to 272,668.68, 409,024.89 and 95,171.76

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Solution

The fourth proportional to 272,668.68, 409,024.89 and 95,171.76 is: 142,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,668.68 : 409,024.89 = 95,171.76 : x
  2. Step 2: Convert to fraction form
    272,668.68/409,024.89 = 95,171.76/x
  3. Step 3: Cross multiply
    272,668.68x = 409,024.89 × 95,171.76
  4. Step 4: Simplify right side
    272,668.68x = 38,927,618,665.11
  5. Step 5: Solve for x
    x = 38,927,618,665.11/272,668.68
  6. Step 6: Final answer
    x = 142,765.27

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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.