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Finding the Fourth Proportional to 94.13, 141.33 and 61.64

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Solution

The fourth proportional to 94.13, 141.33 and 61.64 is: 92.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.13 : 141.33 = 61.64 : x
  2. Step 2: Convert to fraction form
    94.13/141.33 = 61.64/x
  3. Step 3: Cross multiply
    94.13x = 141.33 × 61.64
  4. Step 4: Simplify right side
    94.13x = 8,711.58
  5. Step 5: Solve for x
    x = 8,711.58/94.13
  6. Step 6: Final answer
    x = 92.55

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