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Finding the Fourth Proportional to 185.52, 276.92 and 165.18

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Solution

The fourth proportional to 185.52, 276.92 and 165.18 is: 246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.52 : 276.92 = 165.18 : x
  2. Step 2: Convert to fraction form
    185.52/276.92 = 165.18/x
  3. Step 3: Cross multiply
    185.52x = 276.92 × 165.18
  4. Step 4: Simplify right side
    185.52x = 45,741.65
  5. Step 5: Solve for x
    x = 45,741.65/185.52
  6. Step 6: Final answer
    x = 246.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.