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Finding the Fourth Proportional to 264.14, 396.27 and 119.87

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Solution

The fourth proportional to 264.14, 396.27 and 119.87 is: 179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.14 : 396.27 = 119.87 : x
  2. Step 2: Convert to fraction form
    264.14/396.27 = 119.87/x
  3. Step 3: Cross multiply
    264.14x = 396.27 × 119.87
  4. Step 4: Simplify right side
    264.14x = 47,498.90
  5. Step 5: Solve for x
    x = 47,498.90/264.14
  6. Step 6: Final answer
    x = 179.83

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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.