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Finding the Fourth Proportional to 168.16, 232.07 and 94.50

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Solution

The fourth proportional to 168.16, 232.07 and 94.50 is: 130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.16 : 232.07 = 94.50 : x
  2. Step 2: Convert to fraction form
    168.16/232.07 = 94.50/x
  3. Step 3: Cross multiply
    168.16x = 232.07 × 94.50
  4. Step 4: Simplify right side
    168.16x = 21,931.43
  5. Step 5: Solve for x
    x = 21,931.43/168.16
  6. Step 6: Final answer
    x = 130.42

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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.