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Finding the Fourth Proportional to 267.34, 401.06 and 93.96

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Solution

The fourth proportional to 267.34, 401.06 and 93.96 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.34 : 401.06 = 93.96 : x
  2. Step 2: Convert to fraction form
    267.34/401.06 = 93.96/x
  3. Step 3: Cross multiply
    267.34x = 401.06 × 93.96
  4. Step 4: Simplify right side
    267.34x = 37,683.60
  5. Step 5: Solve for x
    x = 37,683.60/267.34
  6. Step 6: Final answer
    x = 140.96

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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.