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Finding the Fourth Proportional to 132.37, 198.57 and 59.27

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Solution

The fourth proportional to 132.37, 198.57 and 59.27 is: 88.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.37 : 198.57 = 59.27 : x
  2. Step 2: Convert to fraction form
    132.37/198.57 = 59.27/x
  3. Step 3: Cross multiply
    132.37x = 198.57 × 59.27
  4. Step 4: Simplify right side
    132.37x = 11,768.25
  5. Step 5: Solve for x
    x = 11,768.25/132.37
  6. Step 6: Final answer
    x = 88.91

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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.