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Finding the Fourth Proportional to 183.64, 274.96 and 166.24

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Solution

The fourth proportional to 183.64, 274.96 and 166.24 is: 248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.64 : 274.96 = 166.24 : x
  2. Step 2: Convert to fraction form
    183.64/274.96 = 166.24/x
  3. Step 3: Cross multiply
    183.64x = 274.96 × 166.24
  4. Step 4: Simplify right side
    183.64x = 45,709.35
  5. Step 5: Solve for x
    x = 45,709.35/183.64
  6. Step 6: Final answer
    x = 248.91

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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.