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Finding the Fourth Proportional to 179.50, 268.52 and 106.96

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Solution

The fourth proportional to 179.50, 268.52 and 106.96 is: 160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.50 : 268.52 = 106.96 : x
  2. Step 2: Convert to fraction form
    179.50/268.52 = 106.96/x
  3. Step 3: Cross multiply
    179.50x = 268.52 × 106.96
  4. Step 4: Simplify right side
    179.50x = 28,720.90
  5. Step 5: Solve for x
    x = 28,720.90/179.50
  6. Step 6: Final answer
    x = 160.01

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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.