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Finding the Fourth Proportional to 183.56, 274.92 and 111.26

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Solution

The fourth proportional to 183.56, 274.92 and 111.26 is: 166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.56 : 274.92 = 111.26 : x
  2. Step 2: Convert to fraction form
    183.56/274.92 = 111.26/x
  3. Step 3: Cross multiply
    183.56x = 274.92 × 111.26
  4. Step 4: Simplify right side
    183.56x = 30,587.60
  5. Step 5: Solve for x
    x = 30,587.60/183.56
  6. Step 6: Final answer
    x = 166.64

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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.