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Finding the Fourth Proportional to 185.06, 255.67 and 170.48

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Solution

The fourth proportional to 185.06, 255.67 and 170.48 is: 235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.06 : 255.67 = 170.48 : x
  2. Step 2: Convert to fraction form
    185.06/255.67 = 170.48/x
  3. Step 3: Cross multiply
    185.06x = 255.67 × 170.48
  4. Step 4: Simplify right side
    185.06x = 43,586.62
  5. Step 5: Solve for x
    x = 43,586.62/185.06
  6. Step 6: Final answer
    x = 235.53

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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.