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Finding the Fourth Proportional to 129,756.14, 194,564.84 and 66,550.48

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Solution

The fourth proportional to 129,756.14, 194,564.84 and 66,550.48 is: 99,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.14 : 194,564.84 = 66,550.48 : x
  2. Step 2: Convert to fraction form
    129,756.14/194,564.84 = 66,550.48/x
  3. Step 3: Cross multiply
    129,756.14x = 194,564.84 × 66,550.48
  4. Step 4: Simplify right side
    129,756.14x = 12,948,383,173.09
  5. Step 5: Solve for x
    x = 12,948,383,173.09/129,756.14
  6. Step 6: Final answer
    x = 99,790.14

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