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Finding the Fourth Proportional to 183.49, 274.24 and 168.89

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Solution

The fourth proportional to 183.49, 274.24 and 168.89 is: 252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.49 : 274.24 = 168.89 : x
  2. Step 2: Convert to fraction form
    183.49/274.24 = 168.89/x
  3. Step 3: Cross multiply
    183.49x = 274.24 × 168.89
  4. Step 4: Simplify right side
    183.49x = 46,315.55
  5. Step 5: Solve for x
    x = 46,315.55/183.49
  6. Step 6: Final answer
    x = 252.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.