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Finding the Fourth Proportional to 178.19, 267.04 and 132.16

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Solution

The fourth proportional to 178.19, 267.04 and 132.16 is: 198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.19 : 267.04 = 132.16 : x
  2. Step 2: Convert to fraction form
    178.19/267.04 = 132.16/x
  3. Step 3: Cross multiply
    178.19x = 267.04 × 132.16
  4. Step 4: Simplify right side
    178.19x = 35,291.35
  5. Step 5: Solve for x
    x = 35,291.35/178.19
  6. Step 6: Final answer
    x = 198.06

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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.