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Finding the Fourth Proportional to 276.41, 414.73 and 114.06

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Solution

The fourth proportional to 276.41, 414.73 and 114.06 is: 171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.41 : 414.73 = 114.06 : x
  2. Step 2: Convert to fraction form
    276.41/414.73 = 114.06/x
  3. Step 3: Cross multiply
    276.41x = 414.73 × 114.06
  4. Step 4: Simplify right side
    276.41x = 47,301.66
  5. Step 5: Solve for x
    x = 47,301.66/276.41
  6. Step 6: Final answer
    x = 171.13

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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.