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Finding the Fourth Proportional to 179.14, 267.20 and 159.88

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Solution

The fourth proportional to 179.14, 267.20 and 159.88 is: 238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.14 : 267.20 = 159.88 : x
  2. Step 2: Convert to fraction form
    179.14/267.20 = 159.88/x
  3. Step 3: Cross multiply
    179.14x = 267.20 × 159.88
  4. Step 4: Simplify right side
    179.14x = 42,719.94
  5. Step 5: Solve for x
    x = 42,719.94/179.14
  6. Step 6: Final answer
    x = 238.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.