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Finding the Fourth Proportional to 146.44, 201.86 and 96.56

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Solution

The fourth proportional to 146.44, 201.86 and 96.56 is: 133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.44 : 201.86 = 96.56 : x
  2. Step 2: Convert to fraction form
    146.44/201.86 = 96.56/x
  3. Step 3: Cross multiply
    146.44x = 201.86 × 96.56
  4. Step 4: Simplify right side
    146.44x = 19,491.23
  5. Step 5: Solve for x
    x = 19,491.23/146.44
  6. Step 6: Final answer
    x = 133.10

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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.