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Finding the Fourth Proportional to 66,773.70, 100,233.45 and 41,841.90

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Solution

The fourth proportional to 66,773.70, 100,233.45 and 41,841.90 is: 62,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.70 : 100,233.45 = 41,841.90 : x
  2. Step 2: Convert to fraction form
    66,773.70/100,233.45 = 41,841.90/x
  3. Step 3: Cross multiply
    66,773.70x = 100,233.45 × 41,841.90
  4. Step 4: Simplify right side
    66,773.70x = 4,193,957,991.56
  5. Step 5: Solve for x
    x = 4,193,957,991.56/66,773.70
  6. Step 6: Final answer
    x = 62,808.53

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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.