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Finding the Fourth Proportional to 299,372.31, 449,286.87 and 110,012.13

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Solution

The fourth proportional to 299,372.31, 449,286.87 and 110,012.13 is: 165,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,372.31 : 449,286.87 = 110,012.13 : x
  2. Step 2: Convert to fraction form
    299,372.31/449,286.87 = 110,012.13/x
  3. Step 3: Cross multiply
    299,372.31x = 449,286.87 × 110,012.13
  4. Step 4: Simplify right side
    299,372.31x = 49,427,005,549.73
  5. Step 5: Solve for x
    x = 49,427,005,549.73/299,372.31
  6. Step 6: Final answer
    x = 165,102.13

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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.