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Finding the Fourth Proportional to 73,211.01, 109,691.19 and 39,954.44

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Solution

The fourth proportional to 73,211.01, 109,691.19 and 39,954.44 is: 59,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.01 : 109,691.19 = 39,954.44 : x
  2. Step 2: Convert to fraction form
    73,211.01/109,691.19 = 39,954.44/x
  3. Step 3: Cross multiply
    73,211.01x = 109,691.19 × 39,954.44
  4. Step 4: Simplify right side
    73,211.01x = 4,382,649,726.60
  5. Step 5: Solve for x
    x = 4,382,649,726.60/73,211.01
  6. Step 6: Final answer
    x = 59,863.26

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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.