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Finding the Fourth Proportional to 71,672.31, 107,508.48 and 32,183.28

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Solution

The fourth proportional to 71,672.31, 107,508.48 and 32,183.28 is: 48,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,672.31 : 107,508.48 = 32,183.28 : x
  2. Step 2: Convert to fraction form
    71,672.31/107,508.48 = 32,183.28/x
  3. Step 3: Cross multiply
    71,672.31x = 107,508.48 × 32,183.28
  4. Step 4: Simplify right side
    71,672.31x = 3,459,975,514.21
  5. Step 5: Solve for x
    x = 3,459,975,514.21/71,672.31
  6. Step 6: Final answer
    x = 48,274.93

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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.