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Finding the Fourth Proportional to 79,615.72, 109,872.34 and 43,808.36

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Solution

The fourth proportional to 79,615.72, 109,872.34 and 43,808.36 is: 60,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,615.72 : 109,872.34 = 43,808.36 : x
  2. Step 2: Convert to fraction form
    79,615.72/109,872.34 = 43,808.36/x
  3. Step 3: Cross multiply
    79,615.72x = 109,872.34 × 43,808.36
  4. Step 4: Simplify right side
    79,615.72x = 4,813,327,024.76
  5. Step 5: Solve for x
    x = 4,813,327,024.76/79,615.72
  6. Step 6: Final answer
    x = 60,456.99

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