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Finding the Fourth Proportional to 80,773.80, 121,160.70 and 41,317.80

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Solution

The fourth proportional to 80,773.80, 121,160.70 and 41,317.80 is: 61,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,773.80 : 121,160.70 = 41,317.80 : x
  2. Step 2: Convert to fraction form
    80,773.80/121,160.70 = 41,317.80/x
  3. Step 3: Cross multiply
    80,773.80x = 121,160.70 × 41,317.80
  4. Step 4: Simplify right side
    80,773.80x = 5,006,093,570.46
  5. Step 5: Solve for x
    x = 5,006,093,570.46/80,773.80
  6. Step 6: Final answer
    x = 61,976.70

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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.