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Finding the Fourth Proportional to 81,994.20, 122,955.30 and 37,606.20

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Solution

The fourth proportional to 81,994.20, 122,955.30 and 37,606.20 is: 56,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994.20 : 122,955.30 = 37,606.20 : x
  2. Step 2: Convert to fraction form
    81,994.20/122,955.30 = 37,606.20/x
  3. Step 3: Cross multiply
    81,994.20x = 122,955.30 × 37,606.20
  4. Step 4: Simplify right side
    81,994.20x = 4,623,881,602.86
  5. Step 5: Solve for x
    x = 4,623,881,602.86/81,994.20
  6. Step 6: Final answer
    x = 56,392.79

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