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Finding the Fourth Proportional to 104,488.68, 156,735.98 and 25,602.82

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Solution

The fourth proportional to 104,488.68, 156,735.98 and 25,602.82 is: 38,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,488.68 : 156,735.98 = 25,602.82 : x
  2. Step 2: Convert to fraction form
    104,488.68/156,735.98 = 25,602.82/x
  3. Step 3: Cross multiply
    104,488.68x = 156,735.98 × 25,602.82
  4. Step 4: Simplify right side
    104,488.68x = 4,012,882,659.62
  5. Step 5: Solve for x
    x = 4,012,882,659.62/104,488.68
  6. Step 6: Final answer
    x = 38,404.95

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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.