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Finding the Fourth Proportional to 168,876.43, 253,604.73 and 149,943.70

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Solution

The fourth proportional to 168,876.43, 253,604.73 and 149,943.70 is: 225,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,876.43 : 253,604.73 = 149,943.70 : x
  2. Step 2: Convert to fraction form
    168,876.43/253,604.73 = 149,943.70/x
  3. Step 3: Cross multiply
    168,876.43x = 253,604.73 × 149,943.70
  4. Step 4: Simplify right side
    168,876.43x = 38,026,431,553.70
  5. Step 5: Solve for x
    x = 38,026,431,553.70/168,876.43
  6. Step 6: Final answer
    x = 225,173.11

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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.