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Finding the Fourth Proportional to 168,734.97, 253,102.37 and 154,655.42

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Solution

The fourth proportional to 168,734.97, 253,102.37 and 154,655.42 is: 231,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,734.97 : 253,102.37 = 154,655.42 : x
  2. Step 2: Convert to fraction form
    168,734.97/253,102.37 = 154,655.42/x
  3. Step 3: Cross multiply
    168,734.97x = 253,102.37 × 154,655.42
  4. Step 4: Simplify right side
    168,734.97x = 39,143,651,296.56
  5. Step 5: Solve for x
    x = 39,143,651,296.56/168,734.97
  6. Step 6: Final answer
    x = 231,983.04

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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.