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Finding the Fourth Proportional to 128,919.24, 193,332.36 and 44,656.56

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Solution

The fourth proportional to 128,919.24, 193,332.36 and 44,656.56 is: 66,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,919.24 : 193,332.36 = 44,656.56 : x
  2. Step 2: Convert to fraction form
    128,919.24/193,332.36 = 44,656.56/x
  3. Step 3: Cross multiply
    128,919.24x = 193,332.36 × 44,656.56
  4. Step 4: Simplify right side
    128,919.24x = 8,633,558,134.28
  5. Step 5: Solve for x
    x = 8,633,558,134.28/128,919.24
  6. Step 6: Final answer
    x = 66,968.73

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