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Finding the Fourth Proportional to 526.36, 789.56 and 161.16

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Solution

The fourth proportional to 526.36, 789.56 and 161.16 is: 241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.36 : 789.56 = 161.16 : x
  2. Step 2: Convert to fraction form
    526.36/789.56 = 161.16/x
  3. Step 3: Cross multiply
    526.36x = 789.56 × 161.16
  4. Step 4: Simplify right side
    526.36x = 127,245.49
  5. Step 5: Solve for x
    x = 127,245.49/526.36
  6. Step 6: Final answer
    x = 241.75

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