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Finding the Fourth Proportional to 137,002.78, 188,712.12 and 96,645.58

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Solution

The fourth proportional to 137,002.78, 188,712.12 and 96,645.58 is: 133,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,002.78 : 188,712.12 = 96,645.58 : x
  2. Step 2: Convert to fraction form
    137,002.78/188,712.12 = 96,645.58/x
  3. Step 3: Cross multiply
    137,002.78x = 188,712.12 × 96,645.58
  4. Step 4: Simplify right side
    137,002.78x = 18,238,192,290.43
  5. Step 5: Solve for x
    x = 18,238,192,290.43/137,002.78
  6. Step 6: Final answer
    x = 133,122.79

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