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Finding the Fourth Proportional to 185.07, 276.09 and 165.48

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Solution

The fourth proportional to 185.07, 276.09 and 165.48 is: 246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.07 : 276.09 = 165.48 : x
  2. Step 2: Convert to fraction form
    185.07/276.09 = 165.48/x
  3. Step 3: Cross multiply
    185.07x = 276.09 × 165.48
  4. Step 4: Simplify right side
    185.07x = 45,687.37
  5. Step 5: Solve for x
    x = 45,687.37/185.07
  6. Step 6: Final answer
    x = 246.87

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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.