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Finding the Fourth Proportional to 146.28, 201.90 and 94.44

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Solution

The fourth proportional to 146.28, 201.90 and 94.44 is: 130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.28 : 201.90 = 94.44 : x
  2. Step 2: Convert to fraction form
    146.28/201.90 = 94.44/x
  3. Step 3: Cross multiply
    146.28x = 201.90 × 94.44
  4. Step 4: Simplify right side
    146.28x = 19,067.44
  5. Step 5: Solve for x
    x = 19,067.44/146.28
  6. Step 6: Final answer
    x = 130.35

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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.