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Finding the Fourth Proportional to 116.42, 174.62 and 47.96

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Solution

The fourth proportional to 116.42, 174.62 and 47.96 is: 71.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.42 : 174.62 = 47.96 : x
  2. Step 2: Convert to fraction form
    116.42/174.62 = 47.96/x
  3. Step 3: Cross multiply
    116.42x = 174.62 × 47.96
  4. Step 4: Simplify right side
    116.42x = 8,373.66
  5. Step 5: Solve for x
    x = 8,373.66/116.42
  6. Step 6: Final answer
    x = 71.93

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