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Finding the Fourth Proportional to 185.42, 255.77 and 132.94

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Solution

The fourth proportional to 185.42, 255.77 and 132.94 is: 183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.42 : 255.77 = 132.94 : x
  2. Step 2: Convert to fraction form
    185.42/255.77 = 132.94/x
  3. Step 3: Cross multiply
    185.42x = 255.77 × 132.94
  4. Step 4: Simplify right side
    185.42x = 34,002.97
  5. Step 5: Solve for x
    x = 34,002.97/185.42
  6. Step 6: Final answer
    x = 183.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.