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Finding the Fourth Proportional to 267.49, 401.10 and 94.09

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Solution

The fourth proportional to 267.49, 401.10 and 94.09 is: 141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.49 : 401.10 = 94.09 : x
  2. Step 2: Convert to fraction form
    267.49/401.10 = 94.09/x
  3. Step 3: Cross multiply
    267.49x = 401.10 × 94.09
  4. Step 4: Simplify right side
    267.49x = 37,739.50
  5. Step 5: Solve for x
    x = 37,739.50/267.49
  6. Step 6: Final answer
    x = 141.09

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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.