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Finding the Fourth Proportional to 111,307.80, 166,977.90 and 36,409.80

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Solution

The fourth proportional to 111,307.80, 166,977.90 and 36,409.80 is: 54,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,307.80 : 166,977.90 = 36,409.80 : x
  2. Step 2: Convert to fraction form
    111,307.80/166,977.90 = 36,409.80/x
  3. Step 3: Cross multiply
    111,307.80x = 166,977.90 × 36,409.80
  4. Step 4: Simplify right side
    111,307.80x = 6,079,631,943.42
  5. Step 5: Solve for x
    x = 6,079,631,943.42/111,307.80
  6. Step 6: Final answer
    x = 54,620.00

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