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Finding the Fourth Proportional to 87,907.98, 131,870.07 and 28,743.96

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Solution

The fourth proportional to 87,907.98, 131,870.07 and 28,743.96 is: 43,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907.98 : 131,870.07 = 28,743.96 : x
  2. Step 2: Convert to fraction form
    87,907.98/131,870.07 = 28,743.96/x
  3. Step 3: Cross multiply
    87,907.98x = 131,870.07 × 28,743.96
  4. Step 4: Simplify right side
    87,907.98x = 3,790,468,017.28
  5. Step 5: Solve for x
    x = 3,790,468,017.28/87,907.98
  6. Step 6: Final answer
    x = 43,118.59

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