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Finding the Fourth Proportional to 276.67, 414.91 and 94.01

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Solution

The fourth proportional to 276.67, 414.91 and 94.01 is: 140.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.67 : 414.91 = 94.01 : x
  2. Step 2: Convert to fraction form
    276.67/414.91 = 94.01/x
  3. Step 3: Cross multiply
    276.67x = 414.91 × 94.01
  4. Step 4: Simplify right side
    276.67x = 39,006.49
  5. Step 5: Solve for x
    x = 39,006.49/276.67
  6. Step 6: Final answer
    x = 140.99

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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.