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Finding the Fourth Proportional to 78,654.36, 108,543.01 and 42,844.37

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Solution

The fourth proportional to 78,654.36, 108,543.01 and 42,844.37 is: 59,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,654.36 : 108,543.01 = 42,844.37 : x
  2. Step 2: Convert to fraction form
    78,654.36/108,543.01 = 42,844.37/x
  3. Step 3: Cross multiply
    78,654.36x = 108,543.01 × 42,844.37
  4. Step 4: Simplify right side
    78,654.36x = 4,650,456,737.64
  5. Step 5: Solve for x
    x = 4,650,456,737.64/78,654.36
  6. Step 6: Final answer
    x = 59,125.23

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