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Finding the Fourth Proportional to 183.73, 252.94 and 161.56

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Solution

The fourth proportional to 183.73, 252.94 and 161.56 is: 222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.73 : 252.94 = 161.56 : x
  2. Step 2: Convert to fraction form
    183.73/252.94 = 161.56/x
  3. Step 3: Cross multiply
    183.73x = 252.94 × 161.56
  4. Step 4: Simplify right side
    183.73x = 40,864.99
  5. Step 5: Solve for x
    x = 40,864.99/183.73
  6. Step 6: Final answer
    x = 222.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.