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Finding the Fourth Proportional to 168,873.43, 253,600.23 and 149,940.70

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Solution

The fourth proportional to 168,873.43, 253,600.23 and 149,940.70 is: 225,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,873.43 : 253,600.23 = 149,940.70 : x
  2. Step 2: Convert to fraction form
    168,873.43/253,600.23 = 149,940.70/x
  3. Step 3: Cross multiply
    168,873.43x = 253,600.23 × 149,940.70
  4. Step 4: Simplify right side
    168,873.43x = 38,024,996,006.36
  5. Step 5: Solve for x
    x = 38,024,996,006.36/168,873.43
  6. Step 6: Final answer
    x = 225,168.61

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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.