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Finding the Fourth Proportional to 267.66, 401.22 and 94.25

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Solution

The fourth proportional to 267.66, 401.22 and 94.25 is: 141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.66 : 401.22 = 94.25 : x
  2. Step 2: Convert to fraction form
    267.66/401.22 = 94.25/x
  3. Step 3: Cross multiply
    267.66x = 401.22 × 94.25
  4. Step 4: Simplify right side
    267.66x = 37,815.99
  5. Step 5: Solve for x
    x = 37,815.99/267.66
  6. Step 6: Final answer
    x = 141.28

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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.