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Finding the Fourth Proportional to 136,936.99, 188,954.26 and 76,500.12

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Solution

The fourth proportional to 136,936.99, 188,954.26 and 76,500.12 is: 105,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,936.99 : 188,954.26 = 76,500.12 : x
  2. Step 2: Convert to fraction form
    136,936.99/188,954.26 = 76,500.12/x
  3. Step 3: Cross multiply
    136,936.99x = 188,954.26 × 76,500.12
  4. Step 4: Simplify right side
    136,936.99x = 14,455,023,373.26
  5. Step 5: Solve for x
    x = 14,455,023,373.26/136,936.99
  6. Step 6: Final answer
    x = 105,559.67

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