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Finding the Fourth Proportional to 74,190.60, 111,252.72 and 53,326.56

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Solution

The fourth proportional to 74,190.60, 111,252.72 and 53,326.56 is: 79,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.60 : 111,252.72 = 53,326.56 : x
  2. Step 2: Convert to fraction form
    74,190.60/111,252.72 = 53,326.56/x
  3. Step 3: Cross multiply
    74,190.60x = 111,252.72 × 53,326.56
  4. Step 4: Simplify right side
    74,190.60x = 5,932,724,848.24
  5. Step 5: Solve for x
    x = 5,932,724,848.24/74,190.60
  6. Step 6: Final answer
    x = 79,965.99

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