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Finding the Fourth Proportional to 123,856.60, 185,763.30 and 44,930.20

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Solution

The fourth proportional to 123,856.60, 185,763.30 and 44,930.20 is: 67,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,856.60 : 185,763.30 = 44,930.20 : x
  2. Step 2: Convert to fraction form
    123,856.60/185,763.30 = 44,930.20/x
  3. Step 3: Cross multiply
    123,856.60x = 185,763.30 × 44,930.20
  4. Step 4: Simplify right side
    123,856.60x = 8,346,382,221.66
  5. Step 5: Solve for x
    x = 8,346,382,221.66/123,856.60
  6. Step 6: Final answer
    x = 67,387.46

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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.