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Finding the Fourth Proportional to 183.25, 274.82 and 61.49

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Solution

The fourth proportional to 183.25, 274.82 and 61.49 is: 92.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.25 : 274.82 = 61.49 : x
  2. Step 2: Convert to fraction form
    183.25/274.82 = 61.49/x
  3. Step 3: Cross multiply
    183.25x = 274.82 × 61.49
  4. Step 4: Simplify right side
    183.25x = 16,898.37
  5. Step 5: Solve for x
    x = 16,898.37/183.25
  6. Step 6: Final answer
    x = 92.21

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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.