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Finding the Fourth Proportional to 146.67, 202.44 and 88.46

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Solution

The fourth proportional to 146.67, 202.44 and 88.46 is: 122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.67 : 202.44 = 88.46 : x
  2. Step 2: Convert to fraction form
    146.67/202.44 = 88.46/x
  3. Step 3: Cross multiply
    146.67x = 202.44 × 88.46
  4. Step 4: Simplify right side
    146.67x = 17,906.83
  5. Step 5: Solve for x
    x = 17,906.83/146.67
  6. Step 6: Final answer
    x = 122.09

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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.