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Finding the Fourth Proportional to 105,957.48, 146,223.90 and 58,213.92

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Solution

The fourth proportional to 105,957.48, 146,223.90 and 58,213.92 is: 80,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957.48 : 146,223.90 = 58,213.92 : x
  2. Step 2: Convert to fraction form
    105,957.48/146,223.90 = 58,213.92/x
  3. Step 3: Cross multiply
    105,957.48x = 146,223.90 × 58,213.92
  4. Step 4: Simplify right side
    105,957.48x = 8,512,266,416.69
  5. Step 5: Solve for x
    x = 8,512,266,416.69/105,957.48
  6. Step 6: Final answer
    x = 80,336.63

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