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Finding the Fourth Proportional to 146.26, 219.11 and 73.94

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Solution

The fourth proportional to 146.26, 219.11 and 73.94 is: 110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.26 : 219.11 = 73.94 : x
  2. Step 2: Convert to fraction form
    146.26/219.11 = 73.94/x
  3. Step 3: Cross multiply
    146.26x = 219.11 × 73.94
  4. Step 4: Simplify right side
    146.26x = 16,200.99
  5. Step 5: Solve for x
    x = 16,200.99/146.26
  6. Step 6: Final answer
    x = 110.77

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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.