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Finding the Fourth Proportional to 272,713.92, 409,098.87 and 104,375.85

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Solution

The fourth proportional to 272,713.92, 409,098.87 and 104,375.85 is: 156,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,713.92 : 409,098.87 = 104,375.85 : x
  2. Step 2: Convert to fraction form
    272,713.92/409,098.87 = 104,375.85/x
  3. Step 3: Cross multiply
    272,713.92x = 409,098.87 × 104,375.85
  4. Step 4: Simplify right side
    272,713.92x = 42,700,042,290.29
  5. Step 5: Solve for x
    x = 42,700,042,290.29/272,713.92
  6. Step 6: Final answer
    x = 156,574.49

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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.