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Finding the Fourth Proportional to 267,136.14, 400,779.13 and 107,324.30

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Solution

The fourth proportional to 267,136.14, 400,779.13 and 107,324.30 is: 161,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,136.14 : 400,779.13 = 107,324.30 : x
  2. Step 2: Convert to fraction form
    267,136.14/400,779.13 = 107,324.30/x
  3. Step 3: Cross multiply
    267,136.14x = 400,779.13 × 107,324.30
  4. Step 4: Simplify right side
    267,136.14x = 43,013,340,717.96
  5. Step 5: Solve for x
    x = 43,013,340,717.96/267,136.14
  6. Step 6: Final answer
    x = 161,016.55

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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.