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Finding the Fourth Proportional to 268.27, 402.41 and 94.94

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Solution

The fourth proportional to 268.27, 402.41 and 94.94 is: 142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.27 : 402.41 = 94.94 : x
  2. Step 2: Convert to fraction form
    268.27/402.41 = 94.94/x
  3. Step 3: Cross multiply
    268.27x = 402.41 × 94.94
  4. Step 4: Simplify right side
    268.27x = 38,204.81
  5. Step 5: Solve for x
    x = 38,204.81/268.27
  6. Step 6: Final answer
    x = 142.41

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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.