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Finding the Fourth Proportional to 179.59, 269.37 and 88.21

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Solution

The fourth proportional to 179.59, 269.37 and 88.21 is: 132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.59 : 269.37 = 88.21 : x
  2. Step 2: Convert to fraction form
    179.59/269.37 = 88.21/x
  3. Step 3: Cross multiply
    179.59x = 269.37 × 88.21
  4. Step 4: Simplify right side
    179.59x = 23,761.13
  5. Step 5: Solve for x
    x = 23,761.13/179.59
  6. Step 6: Final answer
    x = 132.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.