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Finding the Fourth Proportional to 267.63, 401.41 and 94.42

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Solution

The fourth proportional to 267.63, 401.41 and 94.42 is: 141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.63 : 401.41 = 94.42 : x
  2. Step 2: Convert to fraction form
    267.63/401.41 = 94.42/x
  3. Step 3: Cross multiply
    267.63x = 401.41 × 94.42
  4. Step 4: Simplify right side
    267.63x = 37,901.13
  5. Step 5: Solve for x
    x = 37,901.13/267.63
  6. Step 6: Final answer
    x = 141.62

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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.