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Finding the Fourth Proportional to 184.38, 276.14 and 107.18

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Solution

The fourth proportional to 184.38, 276.14 and 107.18 is: 160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.38 : 276.14 = 107.18 : x
  2. Step 2: Convert to fraction form
    184.38/276.14 = 107.18/x
  3. Step 3: Cross multiply
    184.38x = 276.14 × 107.18
  4. Step 4: Simplify right side
    184.38x = 29,596.69
  5. Step 5: Solve for x
    x = 29,596.69/184.38
  6. Step 6: Final answer
    x = 160.52

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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.