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Finding the Fourth Proportional to 184.38, 276.54 and 115.94

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Solution

The fourth proportional to 184.38, 276.54 and 115.94 is: 173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.38 : 276.54 = 115.94 : x
  2. Step 2: Convert to fraction form
    184.38/276.54 = 115.94/x
  3. Step 3: Cross multiply
    184.38x = 276.54 × 115.94
  4. Step 4: Simplify right side
    184.38x = 32,060.66
  5. Step 5: Solve for x
    x = 32,060.66/184.38
  6. Step 6: Final answer
    x = 173.88

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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.