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Finding the Fourth Proportional to 138,843.33, 191,605.16 and 75,182.49

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Solution

The fourth proportional to 138,843.33, 191,605.16 and 75,182.49 is: 103,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,843.33 : 191,605.16 = 75,182.49 : x
  2. Step 2: Convert to fraction form
    138,843.33/191,605.16 = 75,182.49/x
  3. Step 3: Cross multiply
    138,843.33x = 191,605.16 × 75,182.49
  4. Step 4: Simplify right side
    138,843.33x = 14,405,352,649.74
  5. Step 5: Solve for x
    x = 14,405,352,649.74/138,843.33
  6. Step 6: Final answer
    x = 103,752.57

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