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Finding the Fourth Proportional to 100,596.99, 138,826.89 and 55,276.35

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Solution

The fourth proportional to 100,596.99, 138,826.89 and 55,276.35 is: 76,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,596.99 : 138,826.89 = 55,276.35 : x
  2. Step 2: Convert to fraction form
    100,596.99/138,826.89 = 55,276.35/x
  3. Step 3: Cross multiply
    100,596.99x = 138,826.89 × 55,276.35
  4. Step 4: Simplify right side
    100,596.99x = 7,673,843,475.44
  5. Step 5: Solve for x
    x = 7,673,843,475.44/100,596.99
  6. Step 6: Final answer
    x = 76,283.03

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