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Finding the Fourth Proportional to 168,363.68, 252,342.45 and 73,553.18

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Solution

The fourth proportional to 168,363.68, 252,342.45 and 73,553.18 is: 110,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,363.68 : 252,342.45 = 73,553.18 : x
  2. Step 2: Convert to fraction form
    168,363.68/252,342.45 = 73,553.18/x
  3. Step 3: Cross multiply
    168,363.68x = 252,342.45 × 73,553.18
  4. Step 4: Simplify right side
    168,363.68x = 18,560,588,384.78
  5. Step 5: Solve for x
    x = 18,560,588,384.78/168,363.68
  6. Step 6: Final answer
    x = 110,241.05

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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.