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Finding the Fourth Proportional to 67,791.26, 101,645.83 and 30,344.34

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Solution

The fourth proportional to 67,791.26, 101,645.83 and 30,344.34 is: 45,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,791.26 : 101,645.83 = 30,344.34 : x
  2. Step 2: Convert to fraction form
    67,791.26/101,645.83 = 30,344.34/x
  3. Step 3: Cross multiply
    67,791.26x = 101,645.83 × 30,344.34
  4. Step 4: Simplify right side
    67,791.26x = 3,084,375,625.10
  5. Step 5: Solve for x
    x = 3,084,375,625.10/67,791.26
  6. Step 6: Final answer
    x = 45,498.13

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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.