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Finding the Fourth Proportional to 78,326.96, 117,490.37 and 27,763.03

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Solution

The fourth proportional to 78,326.96, 117,490.37 and 27,763.03 is: 41,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,326.96 : 117,490.37 = 27,763.03 : x
  2. Step 2: Convert to fraction form
    78,326.96/117,490.37 = 27,763.03/x
  3. Step 3: Cross multiply
    78,326.96x = 117,490.37 × 27,763.03
  4. Step 4: Simplify right side
    78,326.96x = 3,261,888,667.02
  5. Step 5: Solve for x
    x = 3,261,888,667.02/78,326.96
  6. Step 6: Final answer
    x = 41,644.52

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