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Finding the Fourth Proportional to 94.88, 141.98 and 56.38

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Solution

The fourth proportional to 94.88, 141.98 and 56.38 is: 84.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.88 : 141.98 = 56.38 : x
  2. Step 2: Convert to fraction form
    94.88/141.98 = 56.38/x
  3. Step 3: Cross multiply
    94.88x = 141.98 × 56.38
  4. Step 4: Simplify right side
    94.88x = 8,004.20
  5. Step 5: Solve for x
    x = 8,004.20/94.88
  6. Step 6: Final answer
    x = 84.37

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