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Finding the Fourth Proportional to 150.85, 226.43 and 116.98

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Solution

The fourth proportional to 150.85, 226.43 and 116.98 is: 175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.85 : 226.43 = 116.98 : x
  2. Step 2: Convert to fraction form
    150.85/226.43 = 116.98/x
  3. Step 3: Cross multiply
    150.85x = 226.43 × 116.98
  4. Step 4: Simplify right side
    150.85x = 26,487.07
  5. Step 5: Solve for x
    x = 26,487.07/150.85
  6. Step 6: Final answer
    x = 175.59

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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.