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Finding the Fourth Proportional to 150.67, 226.35 and 107.45

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Solution

The fourth proportional to 150.67, 226.35 and 107.45 is: 161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.67 : 226.35 = 107.45 : x
  2. Step 2: Convert to fraction form
    150.67/226.35 = 107.45/x
  3. Step 3: Cross multiply
    150.67x = 226.35 × 107.45
  4. Step 4: Simplify right side
    150.67x = 24,321.02
  5. Step 5: Solve for x
    x = 24,321.02/150.67
  6. Step 6: Final answer
    x = 161.42

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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.