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Finding the Fourth Proportional to 101,167.80, 139,616.24 and 58,161.26

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Solution

The fourth proportional to 101,167.80, 139,616.24 and 58,161.26 is: 80,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.80 : 139,616.24 = 58,161.26 : x
  2. Step 2: Convert to fraction form
    101,167.80/139,616.24 = 58,161.26/x
  3. Step 3: Cross multiply
    101,167.80x = 139,616.24 × 58,161.26
  4. Step 4: Simplify right side
    101,167.80x = 8,120,255,445.97
  5. Step 5: Solve for x
    x = 8,120,255,445.97/101,167.80
  6. Step 6: Final answer
    x = 80,265.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.