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Finding the Fourth Proportional to 132.04, 198.14 and 75.08

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Solution

The fourth proportional to 132.04, 198.14 and 75.08 is: 112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.04 : 198.14 = 75.08 : x
  2. Step 2: Convert to fraction form
    132.04/198.14 = 75.08/x
  3. Step 3: Cross multiply
    132.04x = 198.14 × 75.08
  4. Step 4: Simplify right side
    132.04x = 14,876.35
  5. Step 5: Solve for x
    x = 14,876.35/132.04
  6. Step 6: Final answer
    x = 112.67

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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.