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Finding the Fourth Proportional to 140,186.45, 193,454.83 and 79,755.80

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Solution

The fourth proportional to 140,186.45, 193,454.83 and 79,755.80 is: 110,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,186.45 : 193,454.83 = 79,755.80 : x
  2. Step 2: Convert to fraction form
    140,186.45/193,454.83 = 79,755.80/x
  3. Step 3: Cross multiply
    140,186.45x = 193,454.83 × 79,755.80
  4. Step 4: Simplify right side
    140,186.45x = 15,429,144,646.86
  5. Step 5: Solve for x
    x = 15,429,144,646.86/140,186.45
  6. Step 6: Final answer
    x = 110,061.60

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