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Finding the Fourth Proportional to 267,785.73, 401,676.86 and 68,104.39

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Solution

The fourth proportional to 267,785.73, 401,676.86 and 68,104.39 is: 102,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,785.73 : 401,676.86 = 68,104.39 : x
  2. Step 2: Convert to fraction form
    267,785.73/401,676.86 = 68,104.39/x
  3. Step 3: Cross multiply
    267,785.73x = 401,676.86 × 68,104.39
  4. Step 4: Simplify right side
    267,785.73x = 27,355,957,915.71
  5. Step 5: Solve for x
    x = 27,355,957,915.71/267,785.73
  6. Step 6: Final answer
    x = 102,156.15

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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.