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Finding the Fourth Proportional to 146.33, 201.99 and 111.37

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Solution

The fourth proportional to 146.33, 201.99 and 111.37 is: 153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.33 : 201.99 = 111.37 : x
  2. Step 2: Convert to fraction form
    146.33/201.99 = 111.37/x
  3. Step 3: Cross multiply
    146.33x = 201.99 × 111.37
  4. Step 4: Simplify right side
    146.33x = 22,494.62
  5. Step 5: Solve for x
    x = 22,494.62/146.33
  6. Step 6: Final answer
    x = 153.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.