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Finding the Fourth Proportional to 196,390.40, 294,391.20 and 96,468.80

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Solution

The fourth proportional to 196,390.40, 294,391.20 and 96,468.80 is: 144,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,390.40 : 294,391.20 = 96,468.80 : x
  2. Step 2: Convert to fraction form
    196,390.40/294,391.20 = 96,468.80/x
  3. Step 3: Cross multiply
    196,390.40x = 294,391.20 × 96,468.80
  4. Step 4: Simplify right side
    196,390.40x = 28,399,565,794.56
  5. Step 5: Solve for x
    x = 28,399,565,794.56/196,390.40
  6. Step 6: Final answer
    x = 144,607.71

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