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Finding the Fourth Proportional to 104,300.58, 156,449.22 and 25,414.68

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Solution

The fourth proportional to 104,300.58, 156,449.22 and 25,414.68 is: 38,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,300.58 : 156,449.22 = 25,414.68 : x
  2. Step 2: Convert to fraction form
    104,300.58/156,449.22 = 25,414.68/x
  3. Step 3: Cross multiply
    104,300.58x = 156,449.22 × 25,414.68
  4. Step 4: Simplify right side
    104,300.58x = 3,976,106,862.55
  5. Step 5: Solve for x
    x = 3,976,106,862.55/104,300.58
  6. Step 6: Final answer
    x = 38,121.62

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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.