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Finding the Fourth Proportional to 84,611.20, 116,526.72 and 82,774.48

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Solution

The fourth proportional to 84,611.20, 116,526.72 and 82,774.48 is: 113,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.20 : 116,526.72 = 82,774.48 : x
  2. Step 2: Convert to fraction form
    84,611.20/116,526.72 = 82,774.48/x
  3. Step 3: Cross multiply
    84,611.20x = 116,526.72 × 82,774.48
  4. Step 4: Simplify right side
    84,611.20x = 9,645,438,654.11
  5. Step 5: Solve for x
    x = 9,645,438,654.11/84,611.20
  6. Step 6: Final answer
    x = 113,997.19

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