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Finding the Fourth Proportional to 81,765.90, 122,476.44 and 37,429.92

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Solution

The fourth proportional to 81,765.90, 122,476.44 and 37,429.92 is: 56,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765.90 : 122,476.44 = 37,429.92 : x
  2. Step 2: Convert to fraction form
    81,765.90/122,476.44 = 37,429.92/x
  3. Step 3: Cross multiply
    81,765.90x = 122,476.44 × 37,429.92
  4. Step 4: Simplify right side
    81,765.90x = 4,584,283,351.08
  5. Step 5: Solve for x
    x = 4,584,283,351.08/81,765.90
  6. Step 6: Final answer
    x = 56,065.96

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