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Finding the Fourth Proportional to 189,530, 284,296.44 and 64,872.08

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Solution

The fourth proportional to 189,530, 284,296.44 and 64,872.08 is: 97,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,530 : 284,296.44 = 64,872.08 : x
  2. Step 2: Convert to fraction form
    189,530/284,296.44 = 64,872.08/x
  3. Step 3: Cross multiply
    189,530x = 284,296.44 × 64,872.08
  4. Step 4: Simplify right side
    189,530x = 18,442,901,399.40
  5. Step 5: Solve for x
    x = 18,442,901,399.40/189,530
  6. Step 6: Final answer
    x = 97,308.61

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