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Finding the Fourth Proportional to 179.59, 268.88 and 114.43

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Solution

The fourth proportional to 179.59, 268.88 and 114.43 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.59 : 268.88 = 114.43 : x
  2. Step 2: Convert to fraction form
    179.59/268.88 = 114.43/x
  3. Step 3: Cross multiply
    179.59x = 268.88 × 114.43
  4. Step 4: Simplify right side
    179.59x = 30,766.02
  5. Step 5: Solve for x
    x = 30,766.02/179.59
  6. Step 6: Final answer
    x = 171.31

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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.