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Finding the Fourth Proportional to 267.92, 401.92 and 94.69

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Solution

The fourth proportional to 267.92, 401.92 and 94.69 is: 142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.92 : 401.92 = 94.69 : x
  2. Step 2: Convert to fraction form
    267.92/401.92 = 94.69/x
  3. Step 3: Cross multiply
    267.92x = 401.92 × 94.69
  4. Step 4: Simplify right side
    267.92x = 38,056.46
  5. Step 5: Solve for x
    x = 38,056.46/267.92
  6. Step 6: Final answer
    x = 142.05

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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.