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Finding the Fourth Proportional to 132.14, 198.29 and 60.00

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Solution

The fourth proportional to 132.14, 198.29 and 60.00 is: 90.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.14 : 198.29 = 60.00 : x
  2. Step 2: Convert to fraction form
    132.14/198.29 = 60.00/x
  3. Step 3: Cross multiply
    132.14x = 198.29 × 60.00
  4. Step 4: Simplify right side
    132.14x = 11,896.11
  5. Step 5: Solve for x
    x = 11,896.11/132.14
  6. Step 6: Final answer
    x = 90.03

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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.