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Finding the Fourth Proportional to 276.03, 414.11 and 93.44

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Solution

The fourth proportional to 276.03, 414.11 and 93.44 is: 140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.03 : 414.11 = 93.44 : x
  2. Step 2: Convert to fraction form
    276.03/414.11 = 93.44/x
  3. Step 3: Cross multiply
    276.03x = 414.11 × 93.44
  4. Step 4: Simplify right side
    276.03x = 38,694.44
  5. Step 5: Solve for x
    x = 38,694.44/276.03
  6. Step 6: Final answer
    x = 140.18

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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.