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Finding the Fourth Proportional to 179.84, 269.48 and 111.14

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Solution

The fourth proportional to 179.84, 269.48 and 111.14 is: 166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.84 : 269.48 = 111.14 : x
  2. Step 2: Convert to fraction form
    179.84/269.48 = 111.14/x
  3. Step 3: Cross multiply
    179.84x = 269.48 × 111.14
  4. Step 4: Simplify right side
    179.84x = 29,949.32
  5. Step 5: Solve for x
    x = 29,949.32/179.84
  6. Step 6: Final answer
    x = 166.54

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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.