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Finding the Fourth Proportional to 139,108, 191,969.04 and 79,492

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Solution

The fourth proportional to 139,108, 191,969.04 and 79,492 is: 109,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,108 : 191,969.04 = 79,492 : x
  2. Step 2: Convert to fraction form
    139,108/191,969.04 = 79,492/x
  3. Step 3: Cross multiply
    139,108x = 191,969.04 × 79,492
  4. Step 4: Simplify right side
    139,108x = 15,260,002,927.68
  5. Step 5: Solve for x
    x = 15,260,002,927.68/139,108
  6. Step 6: Final answer
    x = 109,698.96

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