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Finding the Fourth Proportional to 183.24, 274.90 and 61.49

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Solution

The fourth proportional to 183.24, 274.90 and 61.49 is: 92.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.24 : 274.90 = 61.49 : x
  2. Step 2: Convert to fraction form
    183.24/274.90 = 61.49/x
  3. Step 3: Cross multiply
    183.24x = 274.90 × 61.49
  4. Step 4: Simplify right side
    183.24x = 16,903.60
  5. Step 5: Solve for x
    x = 16,903.60/183.24
  6. Step 6: Final answer
    x = 92.25

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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.