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Finding the Fourth Proportional to 183.27, 252.90 and 113.36

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Solution

The fourth proportional to 183.27, 252.90 and 113.36 is: 156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.27 : 252.90 = 113.36 : x
  2. Step 2: Convert to fraction form
    183.27/252.90 = 113.36/x
  3. Step 3: Cross multiply
    183.27x = 252.90 × 113.36
  4. Step 4: Simplify right side
    183.27x = 28,667.48
  5. Step 5: Solve for x
    x = 28,667.48/183.27
  6. Step 6: Final answer
    x = 156.42

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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.