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Finding the Fourth Proportional to 202,981.58, 280,046.28 and 118,028.78

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Solution

The fourth proportional to 202,981.58, 280,046.28 and 118,028.78 is: 162,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,981.58 : 280,046.28 = 118,028.78 : x
  2. Step 2: Convert to fraction form
    202,981.58/280,046.28 = 118,028.78/x
  3. Step 3: Cross multiply
    202,981.58x = 280,046.28 × 118,028.78
  4. Step 4: Simplify right side
    202,981.58x = 33,053,520,771.94
  5. Step 5: Solve for x
    x = 33,053,520,771.94/202,981.58
  6. Step 6: Final answer
    x = 162,840.00

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