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Finding the Fourth Proportional to 378,657.88, 568,074.32 and 112,412.52

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Solution

The fourth proportional to 378,657.88, 568,074.32 and 112,412.52 is: 168,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,657.88 : 568,074.32 = 112,412.52 : x
  2. Step 2: Convert to fraction form
    378,657.88/568,074.32 = 112,412.52/x
  3. Step 3: Cross multiply
    378,657.88x = 568,074.32 × 112,412.52
  4. Step 4: Simplify right side
    378,657.88x = 63,858,665,858.49
  5. Step 5: Solve for x
    x = 63,858,665,858.49/378,657.88
  6. Step 6: Final answer
    x = 168,644.76

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