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Finding the Fourth Proportional to 78,808.06, 108,754.73 and 42,997.96

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Solution

The fourth proportional to 78,808.06, 108,754.73 and 42,997.96 is: 59,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,808.06 : 108,754.73 = 42,997.96 : x
  2. Step 2: Convert to fraction form
    78,808.06/108,754.73 = 42,997.96/x
  3. Step 3: Cross multiply
    78,808.06x = 108,754.73 × 42,997.96
  4. Step 4: Simplify right side
    78,808.06x = 4,676,231,315.36
  5. Step 5: Solve for x
    x = 4,676,231,315.36/78,808.06
  6. Step 6: Final answer
    x = 59,336.97

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