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Finding the Fourth Proportional to 158,591.80, 218,742.42 and 101,949.04

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Solution

The fourth proportional to 158,591.80, 218,742.42 and 101,949.04 is: 140,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,591.80 : 218,742.42 = 101,949.04 : x
  2. Step 2: Convert to fraction form
    158,591.80/218,742.42 = 101,949.04/x
  3. Step 3: Cross multiply
    158,591.80x = 218,742.42 × 101,949.04
  4. Step 4: Simplify right side
    158,591.80x = 22,300,579,726.28
  5. Step 5: Solve for x
    x = 22,300,579,726.28/158,591.80
  6. Step 6: Final answer
    x = 140,616.22

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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.