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Finding the Fourth Proportional to 267.82, 401.81 and 94.48

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Solution

The fourth proportional to 267.82, 401.81 and 94.48 is: 141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.82 : 401.81 = 94.48 : x
  2. Step 2: Convert to fraction form
    267.82/401.81 = 94.48/x
  3. Step 3: Cross multiply
    267.82x = 401.81 × 94.48
  4. Step 4: Simplify right side
    267.82x = 37,961.53
  5. Step 5: Solve for x
    x = 37,961.53/267.82
  6. Step 6: Final answer
    x = 141.74

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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.