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Finding the Fourth Proportional to 132.35, 198.56 and 60.26

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Solution

The fourth proportional to 132.35, 198.56 and 60.26 is: 90.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.35 : 198.56 = 60.26 : x
  2. Step 2: Convert to fraction form
    132.35/198.56 = 60.26/x
  3. Step 3: Cross multiply
    132.35x = 198.56 × 60.26
  4. Step 4: Simplify right side
    132.35x = 11,964.43
  5. Step 5: Solve for x
    x = 11,964.43/132.35
  6. Step 6: Final answer
    x = 90.40

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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.