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Finding the Fourth Proportional to 111,554.70, 153,945.46 and 61,253.70

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Solution

The fourth proportional to 111,554.70, 153,945.46 and 61,253.70 is: 84,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.70 : 153,945.46 = 61,253.70 : x
  2. Step 2: Convert to fraction form
    111,554.70/153,945.46 = 61,253.70/x
  3. Step 3: Cross multiply
    111,554.70x = 153,945.46 × 61,253.70
  4. Step 4: Simplify right side
    111,554.70x = 9,429,729,023.20
  5. Step 5: Solve for x
    x = 9,429,729,023.20/111,554.70
  6. Step 6: Final answer
    x = 84,530.09

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