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Finding the Fourth Proportional to 183.38, 274.51 and 114.73

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Solution

The fourth proportional to 183.38, 274.51 and 114.73 is: 171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.38 : 274.51 = 114.73 : x
  2. Step 2: Convert to fraction form
    183.38/274.51 = 114.73/x
  3. Step 3: Cross multiply
    183.38x = 274.51 × 114.73
  4. Step 4: Simplify right side
    183.38x = 31,493.56
  5. Step 5: Solve for x
    x = 31,493.56/183.38
  6. Step 6: Final answer
    x = 171.74

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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.