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Finding the Fourth Proportional to 81,454.26, 122,079.33 and 44,032.26

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Solution

The fourth proportional to 81,454.26, 122,079.33 and 44,032.26 is: 65,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,454.26 : 122,079.33 = 44,032.26 : x
  2. Step 2: Convert to fraction form
    81,454.26/122,079.33 = 44,032.26/x
  3. Step 3: Cross multiply
    81,454.26x = 122,079.33 × 44,032.26
  4. Step 4: Simplify right side
    81,454.26x = 5,375,428,799.19
  5. Step 5: Solve for x
    x = 5,375,428,799.19/81,454.26
  6. Step 6: Final answer
    x = 65,993.22

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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.