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Finding the Fourth Proportional to 150.56, 225.45 and 116.73

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Solution

The fourth proportional to 150.56, 225.45 and 116.73 is: 174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.56 : 225.45 = 116.73 : x
  2. Step 2: Convert to fraction form
    150.56/225.45 = 116.73/x
  3. Step 3: Cross multiply
    150.56x = 225.45 × 116.73
  4. Step 4: Simplify right side
    150.56x = 26,315.63
  5. Step 5: Solve for x
    x = 26,315.63/150.56
  6. Step 6: Final answer
    x = 174.79

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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.