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Finding the Fourth Proportional to 66,819.08, 100,141.14 and 27,329.96

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Solution

The fourth proportional to 66,819.08, 100,141.14 and 27,329.96 is: 40,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,819.08 : 100,141.14 = 27,329.96 : x
  2. Step 2: Convert to fraction form
    66,819.08/100,141.14 = 27,329.96/x
  3. Step 3: Cross multiply
    66,819.08x = 100,141.14 × 27,329.96
  4. Step 4: Simplify right side
    66,819.08x = 2,736,853,350.55
  5. Step 5: Solve for x
    x = 2,736,853,350.55/66,819.08
  6. Step 6: Final answer
    x = 40,959.16

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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.