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Finding the Fourth Proportional to 267,397.29, 401,096.62 and 67,717.70

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Solution

The fourth proportional to 267,397.29, 401,096.62 and 67,717.70 is: 101,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,397.29 : 401,096.62 = 67,717.70 : x
  2. Step 2: Convert to fraction form
    267,397.29/401,096.62 = 67,717.70/x
  3. Step 3: Cross multiply
    267,397.29x = 401,096.62 × 67,717.70
  4. Step 4: Simplify right side
    267,397.29x = 27,161,340,826.72
  5. Step 5: Solve for x
    x = 27,161,340,826.72/267,397.29
  6. Step 6: Final answer
    x = 101,576.72

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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.