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Finding the Fourth Proportional to 91,006.56, 125,595.36 and 55,198.08

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Solution

The fourth proportional to 91,006.56, 125,595.36 and 55,198.08 is: 76,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.56 : 125,595.36 = 55,198.08 : x
  2. Step 2: Convert to fraction form
    91,006.56/125,595.36 = 55,198.08/x
  3. Step 3: Cross multiply
    91,006.56x = 125,595.36 × 55,198.08
  4. Step 4: Simplify right side
    91,006.56x = 6,932,622,728.91
  5. Step 5: Solve for x
    x = 6,932,622,728.91/91,006.56
  6. Step 6: Final answer
    x = 76,177.18

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