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Finding the Fourth Proportional to 354,361.15, 531,649.05 and 126,626.95

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Solution

The fourth proportional to 354,361.15, 531,649.05 and 126,626.95 is: 189,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,361.15 : 531,649.05 = 126,626.95 : x
  2. Step 2: Convert to fraction form
    354,361.15/531,649.05 = 126,626.95/x
  3. Step 3: Cross multiply
    354,361.15x = 531,649.05 × 126,626.95
  4. Step 4: Simplify right side
    354,361.15x = 67,321,097,671.90
  5. Step 5: Solve for x
    x = 67,321,097,671.90/354,361.15
  6. Step 6: Final answer
    x = 189,978.78

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