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Finding the Fourth Proportional to 78,822.82, 108,893.96 and 51,663.34

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Solution

The fourth proportional to 78,822.82, 108,893.96 and 51,663.34 is: 71,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,822.82 : 108,893.96 = 51,663.34 : x
  2. Step 2: Convert to fraction form
    78,822.82/108,893.96 = 51,663.34/x
  3. Step 3: Cross multiply
    78,822.82x = 108,893.96 × 51,663.34
  4. Step 4: Simplify right side
    78,822.82x = 5,625,825,679.43
  5. Step 5: Solve for x
    x = 5,625,825,679.43/78,822.82
  6. Step 6: Final answer
    x = 71,373.06

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