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Finding the Fourth Proportional to 132.16, 198.34 and 60.02

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Solution

The fourth proportional to 132.16, 198.34 and 60.02 is: 90.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.16 : 198.34 = 60.02 : x
  2. Step 2: Convert to fraction form
    132.16/198.34 = 60.02/x
  3. Step 3: Cross multiply
    132.16x = 198.34 × 60.02
  4. Step 4: Simplify right side
    132.16x = 11,904.37
  5. Step 5: Solve for x
    x = 11,904.37/132.16
  6. Step 6: Final answer
    x = 90.08

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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.