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Finding the Fourth Proportional to 126,874.40, 190,081.20 and 103,373.60

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Solution

The fourth proportional to 126,874.40, 190,081.20 and 103,373.60 is: 154,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,874.40 : 190,081.20 = 103,373.60 : x
  2. Step 2: Convert to fraction form
    126,874.40/190,081.20 = 103,373.60/x
  3. Step 3: Cross multiply
    126,874.40x = 190,081.20 × 103,373.60
  4. Step 4: Simplify right side
    126,874.40x = 19,649,377,936.32
  5. Step 5: Solve for x
    x = 19,649,377,936.32/126,874.40
  6. Step 6: Final answer
    x = 154,872.68

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