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Finding the Fourth Proportional to 104,173.68, 156,260.79 and 25,287.78

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Solution

The fourth proportional to 104,173.68, 156,260.79 and 25,287.78 is: 37,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.68 : 156,260.79 = 25,287.78 : x
  2. Step 2: Convert to fraction form
    104,173.68/156,260.79 = 25,287.78/x
  3. Step 3: Cross multiply
    104,173.68x = 156,260.79 × 25,287.78
  4. Step 4: Simplify right side
    104,173.68x = 3,951,488,480.15
  5. Step 5: Solve for x
    x = 3,951,488,480.15/104,173.68
  6. Step 6: Final answer
    x = 37,931.74

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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.