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Finding the Fourth Proportional to 272,679.67, 409,206.35 and 95,186.71

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Solution

The fourth proportional to 272,679.67, 409,206.35 and 95,186.71 is: 142,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,679.67 : 409,206.35 = 95,186.71 : x
  2. Step 2: Convert to fraction form
    272,679.67/409,206.35 = 95,186.71/x
  3. Step 3: Cross multiply
    272,679.67x = 409,206.35 × 95,186.71
  4. Step 4: Simplify right side
    272,679.67x = 38,951,006,167.61
  5. Step 5: Solve for x
    x = 38,951,006,167.61/272,679.67
  6. Step 6: Final answer
    x = 142,845.29

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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.