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Finding the Fourth Proportional to 111,930.20, 167,876.10 and 41,773.40

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Solution

The fourth proportional to 111,930.20, 167,876.10 and 41,773.40 is: 62,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,930.20 : 167,876.10 = 41,773.40 : x
  2. Step 2: Convert to fraction form
    111,930.20/167,876.10 = 41,773.40/x
  3. Step 3: Cross multiply
    111,930.20x = 167,876.10 × 41,773.40
  4. Step 4: Simplify right side
    111,930.20x = 7,012,755,475.74
  5. Step 5: Solve for x
    x = 7,012,755,475.74/111,930.20
  6. Step 6: Final answer
    x = 62,652.93

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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.