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Finding the Fourth Proportional to 146.08, 201.54 and 96.90

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Solution

The fourth proportional to 146.08, 201.54 and 96.90 is: 133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.08 : 201.54 = 96.90 : x
  2. Step 2: Convert to fraction form
    146.08/201.54 = 96.90/x
  3. Step 3: Cross multiply
    146.08x = 201.54 × 96.90
  4. Step 4: Simplify right side
    146.08x = 19,529.23
  5. Step 5: Solve for x
    x = 19,529.23/146.08
  6. Step 6: Final answer
    x = 133.69

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