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Finding the Fourth Proportional to 267.35, 401.11 and 104.94

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Solution

The fourth proportional to 267.35, 401.11 and 104.94 is: 157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.35 : 401.11 = 104.94 : x
  2. Step 2: Convert to fraction form
    267.35/401.11 = 104.94/x
  3. Step 3: Cross multiply
    267.35x = 401.11 × 104.94
  4. Step 4: Simplify right side
    267.35x = 42,092.22
  5. Step 5: Solve for x
    x = 42,092.22/267.35
  6. Step 6: Final answer
    x = 157.45

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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.