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Finding the Fourth Proportional to 104,065.46, 156,098.19 and 25,179.68

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Solution

The fourth proportional to 104,065.46, 156,098.19 and 25,179.68 is: 37,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,065.46 : 156,098.19 = 25,179.68 : x
  2. Step 2: Convert to fraction form
    104,065.46/156,098.19 = 25,179.68/x
  3. Step 3: Cross multiply
    104,065.46x = 156,098.19 × 25,179.68
  4. Step 4: Simplify right side
    104,065.46x = 3,930,502,863.02
  5. Step 5: Solve for x
    x = 3,930,502,863.02/104,065.46
  6. Step 6: Final answer
    x = 37,769.53

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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.