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Finding the Fourth Proportional to 139,748.14, 192,847.26 and 76,084.66

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Solution

The fourth proportional to 139,748.14, 192,847.26 and 76,084.66 is: 104,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,748.14 : 192,847.26 = 76,084.66 : x
  2. Step 2: Convert to fraction form
    139,748.14/192,847.26 = 76,084.66/x
  3. Step 3: Cross multiply
    139,748.14x = 192,847.26 × 76,084.66
  4. Step 4: Simplify right side
    139,748.14x = 14,672,718,209.03
  5. Step 5: Solve for x
    x = 14,672,718,209.03/139,748.14
  6. Step 6: Final answer
    x = 104,994.01

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