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Finding the Fourth Proportional to 184.74, 277.23 and 107.76

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Solution

The fourth proportional to 184.74, 277.23 and 107.76 is: 161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.74 : 277.23 = 107.76 : x
  2. Step 2: Convert to fraction form
    184.74/277.23 = 107.76/x
  3. Step 3: Cross multiply
    184.74x = 277.23 × 107.76
  4. Step 4: Simplify right side
    184.74x = 29,874.30
  5. Step 5: Solve for x
    x = 29,874.30/184.74
  6. Step 6: Final answer
    x = 161.71

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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.