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Finding the Fourth Proportional to 267.90, 401.74 and 94.52

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Solution

The fourth proportional to 267.90, 401.74 and 94.52 is: 141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.90 : 401.74 = 94.52 : x
  2. Step 2: Convert to fraction form
    267.90/401.74 = 94.52/x
  3. Step 3: Cross multiply
    267.90x = 401.74 × 94.52
  4. Step 4: Simplify right side
    267.90x = 37,972.46
  5. Step 5: Solve for x
    x = 37,972.46/267.90
  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.