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Finding the Fourth Proportional to 106,103.46, 146,421.49 and 58,355.78

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Solution

The fourth proportional to 106,103.46, 146,421.49 and 58,355.78 is: 80,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,103.46 : 146,421.49 = 58,355.78 : x
  2. Step 2: Convert to fraction form
    106,103.46/146,421.49 = 58,355.78/x
  3. Step 3: Cross multiply
    106,103.46x = 146,421.49 × 58,355.78
  4. Step 4: Simplify right side
    106,103.46x = 8,544,540,257.71
  5. Step 5: Solve for x
    x = 8,544,540,257.71/106,103.46
  6. Step 6: Final answer
    x = 80,530.27

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