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Finding the Fourth Proportional to 150.66, 226 and 126.64

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Solution

The fourth proportional to 150.66, 226 and 126.64 is: 189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.66 : 226 = 126.64 : x
  2. Step 2: Convert to fraction form
    150.66/226 = 126.64/x
  3. Step 3: Cross multiply
    150.66x = 226 × 126.64
  4. Step 4: Simplify right side
    150.66x = 28,620.64
  5. Step 5: Solve for x
    x = 28,620.64/150.66
  6. Step 6: Final answer
    x = 189.97

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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.