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Finding the Fourth Proportional to 183.98, 276.06 and 161.12

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Solution

The fourth proportional to 183.98, 276.06 and 161.12 is: 241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.98 : 276.06 = 161.12 : x
  2. Step 2: Convert to fraction form
    183.98/276.06 = 161.12/x
  3. Step 3: Cross multiply
    183.98x = 276.06 × 161.12
  4. Step 4: Simplify right side
    183.98x = 44,478.79
  5. Step 5: Solve for x
    x = 44,478.79/183.98
  6. Step 6: Final answer
    x = 241.76

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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.