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Finding the Fourth Proportional to 82,817.97, 124,202.31 and 30,215.13

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Solution

The fourth proportional to 82,817.97, 124,202.31 and 30,215.13 is: 45,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817.97 : 124,202.31 = 30,215.13 : x
  2. Step 2: Convert to fraction form
    82,817.97/124,202.31 = 30,215.13/x
  3. Step 3: Cross multiply
    82,817.97x = 124,202.31 × 30,215.13
  4. Step 4: Simplify right side
    82,817.97x = 3,752,788,942.95
  5. Step 5: Solve for x
    x = 3,752,788,942.95/82,817.97
  6. Step 6: Final answer
    x = 45,313.70

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