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Finding the Fourth Proportional to 101,992.23, 140,750.87 and 56,674.45

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Solution

The fourth proportional to 101,992.23, 140,750.87 and 56,674.45 is: 78,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.23 : 140,750.87 = 56,674.45 : x
  2. Step 2: Convert to fraction form
    101,992.23/140,750.87 = 56,674.45/x
  3. Step 3: Cross multiply
    101,992.23x = 140,750.87 × 56,674.45
  4. Step 4: Simplify right side
    101,992.23x = 7,976,978,036.84
  5. Step 5: Solve for x
    x = 7,976,978,036.84/101,992.23
  6. Step 6: Final answer
    x = 78,211.62

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