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Finding the Fourth Proportional to 267.93, 402.14 and 131.04

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Solution

The fourth proportional to 267.93, 402.14 and 131.04 is: 196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.93 : 402.14 = 131.04 : x
  2. Step 2: Convert to fraction form
    267.93/402.14 = 131.04/x
  3. Step 3: Cross multiply
    267.93x = 402.14 × 131.04
  4. Step 4: Simplify right side
    267.93x = 52,696.75
  5. Step 5: Solve for x
    x = 52,696.75/267.93
  6. Step 6: Final answer
    x = 196.68

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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.