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Finding the Fourth Proportional to 100,072.08, 138,076.85 and 59,777.95

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Solution

The fourth proportional to 100,072.08, 138,076.85 and 59,777.95 is: 82,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,072.08 : 138,076.85 = 59,777.95 : x
  2. Step 2: Convert to fraction form
    100,072.08/138,076.85 = 59,777.95/x
  3. Step 3: Cross multiply
    100,072.08x = 138,076.85 × 59,777.95
  4. Step 4: Simplify right side
    100,072.08x = 8,253,951,035.46
  5. Step 5: Solve for x
    x = 8,253,951,035.46/100,072.08
  6. Step 6: Final answer
    x = 82,480.06

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