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Finding the Fourth Proportional to 111,021.99, 166,534.56 and 36,142.53

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Solution

The fourth proportional to 111,021.99, 166,534.56 and 36,142.53 is: 54,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,021.99 : 166,534.56 = 36,142.53 : x
  2. Step 2: Convert to fraction form
    111,021.99/166,534.56 = 36,142.53/x
  3. Step 3: Cross multiply
    111,021.99x = 166,534.56 × 36,142.53
  4. Step 4: Simplify right side
    111,021.99x = 6,018,980,330.84
  5. Step 5: Solve for x
    x = 6,018,980,330.84/111,021.99
  6. Step 6: Final answer
    x = 54,214.31

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