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Finding the Fourth Proportional to 144,040.86, 198,789.57 and 79,521.66

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Solution

The fourth proportional to 144,040.86, 198,789.57 and 79,521.66 is: 109,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,040.86 : 198,789.57 = 79,521.66 : x
  2. Step 2: Convert to fraction form
    144,040.86/198,789.57 = 79,521.66/x
  3. Step 3: Cross multiply
    144,040.86x = 198,789.57 × 79,521.66
  4. Step 4: Simplify right side
    144,040.86x = 15,808,076,597.09
  5. Step 5: Solve for x
    x = 15,808,076,597.09/144,040.86
  6. Step 6: Final answer
    x = 109,747.17

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