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Finding the Fourth Proportional to 168,672.20, 253,008.23 and 44,013.20

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Solution

The fourth proportional to 168,672.20, 253,008.23 and 44,013.20 is: 66,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,672.20 : 253,008.23 = 44,013.20 : x
  2. Step 2: Convert to fraction form
    168,672.20/253,008.23 = 44,013.20/x
  3. Step 3: Cross multiply
    168,672.20x = 253,008.23 × 44,013.20
  4. Step 4: Simplify right side
    168,672.20x = 11,135,700,343.53
  5. Step 5: Solve for x
    x = 11,135,700,343.53/168,672.20
  6. Step 6: Final answer
    x = 66,019.77

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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.