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Finding the Fourth Proportional to 184.46, 276.60 and 68.87

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Solution

The fourth proportional to 184.46, 276.60 and 68.87 is: 103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.46 : 276.60 = 68.87 : x
  2. Step 2: Convert to fraction form
    184.46/276.60 = 68.87/x
  3. Step 3: Cross multiply
    184.46x = 276.60 × 68.87
  4. Step 4: Simplify right side
    184.46x = 19,049.44
  5. Step 5: Solve for x
    x = 19,049.44/184.46
  6. Step 6: Final answer
    x = 103.27

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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.