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Finding the Fourth Proportional to 179.44, 269.08 and 92.83

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Solution

The fourth proportional to 179.44, 269.08 and 92.83 is: 139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.44 : 269.08 = 92.83 : x
  2. Step 2: Convert to fraction form
    179.44/269.08 = 92.83/x
  3. Step 3: Cross multiply
    179.44x = 269.08 × 92.83
  4. Step 4: Simplify right side
    179.44x = 24,978.70
  5. Step 5: Solve for x
    x = 24,978.70/179.44
  6. Step 6: Final answer
    x = 139.20

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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.