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Finding the Fourth Proportional to 67,982.20, 101,932.80 and 41,705.80

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Solution

The fourth proportional to 67,982.20, 101,932.80 and 41,705.80 is: 62,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.20 : 101,932.80 = 41,705.80 : x
  2. Step 2: Convert to fraction form
    67,982.20/101,932.80 = 41,705.80/x
  3. Step 3: Cross multiply
    67,982.20x = 101,932.80 × 41,705.80
  4. Step 4: Simplify right side
    67,982.20x = 4,251,188,970.24
  5. Step 5: Solve for x
    x = 4,251,188,970.24/67,982.20
  6. Step 6: Final answer
    x = 62,533.85

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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.