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Finding the Fourth Proportional to 150.94, 226.41 and 73.89

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Solution

The fourth proportional to 150.94, 226.41 and 73.89 is: 110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.94 : 226.41 = 73.89 : x
  2. Step 2: Convert to fraction form
    150.94/226.41 = 73.89/x
  3. Step 3: Cross multiply
    150.94x = 226.41 × 73.89
  4. Step 4: Simplify right side
    150.94x = 16,729.43
  5. Step 5: Solve for x
    x = 16,729.43/150.94
  6. Step 6: Final answer
    x = 110.84

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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.