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Finding the Fourth Proportional to 203,287.07, 280,540.21 and 118,409.60

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Solution

The fourth proportional to 203,287.07, 280,540.21 and 118,409.60 is: 163,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,287.07 : 280,540.21 = 118,409.60 : x
  2. Step 2: Convert to fraction form
    203,287.07/280,540.21 = 118,409.60/x
  3. Step 3: Cross multiply
    203,287.07x = 280,540.21 × 118,409.60
  4. Step 4: Simplify right side
    203,287.07x = 33,218,654,050.02
  5. Step 5: Solve for x
    x = 33,218,654,050.02/203,287.07
  6. Step 6: Final answer
    x = 163,407.61

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