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Finding the Fourth Proportional to 129,922.60, 194,883.90 and 103,678.60

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Solution

The fourth proportional to 129,922.60, 194,883.90 and 103,678.60 is: 155,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,922.60 : 194,883.90 = 103,678.60 : x
  2. Step 2: Convert to fraction form
    129,922.60/194,883.90 = 103,678.60/x
  3. Step 3: Cross multiply
    129,922.60x = 194,883.90 × 103,678.60
  4. Step 4: Simplify right side
    129,922.60x = 20,205,289,914.54
  5. Step 5: Solve for x
    x = 20,205,289,914.54/129,922.60
  6. Step 6: Final answer
    x = 155,517.90

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