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Finding the Fourth Proportional to 81,978,749.32, 122,989,660.52 and 29,461,723.17

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Solution

The fourth proportional to 81,978,749.32, 122,989,660.52 and 29,461,723.17 is: 44,200,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,978,749.32 : 122,989,660.52 = 29,461,723.17 : x
  2. Step 2: Convert to fraction form
    81,978,749.32/122,989,660.52 = 29,461,723.17/x
  3. Step 3: Cross multiply
    81,978,749.32x = 122,989,660.52 × 29,461,723.17
  4. Step 4: Simplify right side
    81,978,749.32x = 3,623,487,331,086,172.50
  5. Step 5: Solve for x
    x = 3,623,487,331,086,172.50/81,978,749.32
  6. Step 6: Final answer
    x = 44,200,324.61

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