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Finding the Fourth Proportional to 168,604.97, 252,743.02 and 67,372.81

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Solution

The fourth proportional to 168,604.97, 252,743.02 and 67,372.81 is: 100,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,604.97 : 252,743.02 = 67,372.81 : x
  2. Step 2: Convert to fraction form
    168,604.97/252,743.02 = 67,372.81/x
  3. Step 3: Cross multiply
    168,604.97x = 252,743.02 × 67,372.81
  4. Step 4: Simplify right side
    168,604.97x = 17,028,006,665.00
  5. Step 5: Solve for x
    x = 17,028,006,665.00/168,604.97
  6. Step 6: Final answer
    x = 100,993.51

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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.