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Finding the Fourth Proportional to 132.34, 198.35 and 116.34

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Solution

The fourth proportional to 132.34, 198.35 and 116.34 is: 174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.34 : 198.35 = 116.34 : x
  2. Step 2: Convert to fraction form
    132.34/198.35 = 116.34/x
  3. Step 3: Cross multiply
    132.34x = 198.35 × 116.34
  4. Step 4: Simplify right side
    132.34x = 23,076.04
  5. Step 5: Solve for x
    x = 23,076.04/132.34
  6. Step 6: Final answer
    x = 174.37

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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.