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Finding the Fourth Proportional to 220,093.66, 303,801.60 and 129,445.75

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Solution

The fourth proportional to 220,093.66, 303,801.60 and 129,445.75 is: 178,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,093.66 : 303,801.60 = 129,445.75 : x
  2. Step 2: Convert to fraction form
    220,093.66/303,801.60 = 129,445.75/x
  3. Step 3: Cross multiply
    220,093.66x = 303,801.60 × 129,445.75
  4. Step 4: Simplify right side
    220,093.66x = 39,325,825,963.20
  5. Step 5: Solve for x
    x = 39,325,825,963.20/220,093.66
  6. Step 6: Final answer
    x = 178,677.69

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