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Finding the Fourth Proportional to 183.09, 252.56 and 116.58

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Solution

The fourth proportional to 183.09, 252.56 and 116.58 is: 160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.09 : 252.56 = 116.58 : x
  2. Step 2: Convert to fraction form
    183.09/252.56 = 116.58/x
  3. Step 3: Cross multiply
    183.09x = 252.56 × 116.58
  4. Step 4: Simplify right side
    183.09x = 29,443.15
  5. Step 5: Solve for x
    x = 29,443.15/183.09
  6. Step 6: Final answer
    x = 160.81

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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.