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Finding the Fourth Proportional to 179.49, 247.56 and 132.86

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Solution

The fourth proportional to 179.49, 247.56 and 132.86 is: 183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.49 : 247.56 = 132.86 : x
  2. Step 2: Convert to fraction form
    179.49/247.56 = 132.86/x
  3. Step 3: Cross multiply
    179.49x = 247.56 × 132.86
  4. Step 4: Simplify right side
    179.49x = 32,890.82
  5. Step 5: Solve for x
    x = 32,890.82/179.49
  6. Step 6: Final answer
    x = 183.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.