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Finding the Fourth Proportional to 348.91, 523.42 and 117.82

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Solution

The fourth proportional to 348.91, 523.42 and 117.82 is: 176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.91 : 523.42 = 117.82 : x
  2. Step 2: Convert to fraction form
    348.91/523.42 = 117.82/x
  3. Step 3: Cross multiply
    348.91x = 523.42 × 117.82
  4. Step 4: Simplify right side
    348.91x = 61,669.34
  5. Step 5: Solve for x
    x = 61,669.34/348.91
  6. Step 6: Final answer
    x = 176.75

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