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Finding the Fourth Proportional to 184.33, 276.40 and 107.79

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Solution

The fourth proportional to 184.33, 276.40 and 107.79 is: 161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 276.40 = 107.79 : x
  2. Step 2: Convert to fraction form
    184.33/276.40 = 107.79/x
  3. Step 3: Cross multiply
    184.33x = 276.40 × 107.79
  4. Step 4: Simplify right side
    184.33x = 29,793.16
  5. Step 5: Solve for x
    x = 29,793.16/184.33
  6. Step 6: Final answer
    x = 161.63

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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.