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Finding the Fourth Proportional to 104,065.71, 156,098.57 and 25,179.93

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Solution

The fourth proportional to 104,065.71, 156,098.57 and 25,179.93 is: 37,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,065.71 : 156,098.57 = 25,179.93 : x
  2. Step 2: Convert to fraction form
    104,065.71/156,098.57 = 25,179.93/x
  3. Step 3: Cross multiply
    104,065.71x = 156,098.57 × 25,179.93
  4. Step 4: Simplify right side
    104,065.71x = 3,930,551,330.05
  5. Step 5: Solve for x
    x = 3,930,551,330.05/104,065.71
  6. Step 6: Final answer
    x = 37,769.90

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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.