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Finding the Fourth Proportional to 168,593.70, 252,726.20 and 67,361.58

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Solution

The fourth proportional to 168,593.70, 252,726.20 and 67,361.58 is: 100,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,593.70 : 252,726.20 = 67,361.58 : x
  2. Step 2: Convert to fraction form
    168,593.70/252,726.20 = 67,361.58/x
  3. Step 3: Cross multiply
    168,593.70x = 252,726.20 × 67,361.58
  4. Step 4: Simplify right side
    168,593.70x = 17,024,036,055.19
  5. Step 5: Solve for x
    x = 17,024,036,055.19/168,593.70
  6. Step 6: Final answer
    x = 100,976.70

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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.