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Finding the Fourth Proportional to 179.59, 268.86 and 134.14

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Solution

The fourth proportional to 179.59, 268.86 and 134.14 is: 200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.59 : 268.86 = 134.14 : x
  2. Step 2: Convert to fraction form
    179.59/268.86 = 134.14/x
  3. Step 3: Cross multiply
    179.59x = 268.86 × 134.14
  4. Step 4: Simplify right side
    179.59x = 36,064.88
  5. Step 5: Solve for x
    x = 36,064.88/179.59
  6. Step 6: Final answer
    x = 200.82

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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.