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Finding the Fourth Proportional to 146.63, 202.33 and 84.44

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Solution

The fourth proportional to 146.63, 202.33 and 84.44 is: 116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.63 : 202.33 = 84.44 : x
  2. Step 2: Convert to fraction form
    146.63/202.33 = 84.44/x
  3. Step 3: Cross multiply
    146.63x = 202.33 × 84.44
  4. Step 4: Simplify right side
    146.63x = 17,084.75
  5. Step 5: Solve for x
    x = 17,084.75/146.63
  6. Step 6: Final answer
    x = 116.52

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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.