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Finding the Fourth Proportional to 184.92, 276.90 and 119.82

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Solution

The fourth proportional to 184.92, 276.90 and 119.82 is: 179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.92 : 276.90 = 119.82 : x
  2. Step 2: Convert to fraction form
    184.92/276.90 = 119.82/x
  3. Step 3: Cross multiply
    184.92x = 276.90 × 119.82
  4. Step 4: Simplify right side
    184.92x = 33,178.16
  5. Step 5: Solve for x
    x = 33,178.16/184.92
  6. Step 6: Final answer
    x = 179.42

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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.