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Finding the Fourth Proportional to 150.62, 226.36 and 105.26

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Solution

The fourth proportional to 150.62, 226.36 and 105.26 is: 158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.62 : 226.36 = 105.26 : x
  2. Step 2: Convert to fraction form
    150.62/226.36 = 105.26/x
  3. Step 3: Cross multiply
    150.62x = 226.36 × 105.26
  4. Step 4: Simplify right side
    150.62x = 23,826.65
  5. Step 5: Solve for x
    x = 23,826.65/150.62
  6. Step 6: Final answer
    x = 158.19

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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.