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Finding the Fourth Proportional to 49,105.70, 73,549.20 and 40,357.70

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Solution

The fourth proportional to 49,105.70, 73,549.20 and 40,357.70 is: 60,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,105.70 : 73,549.20 = 40,357.70 : x
  2. Step 2: Convert to fraction form
    49,105.70/73,549.20 = 40,357.70/x
  3. Step 3: Cross multiply
    49,105.70x = 73,549.20 × 40,357.70
  4. Step 4: Simplify right side
    49,105.70x = 2,968,276,548.84
  5. Step 5: Solve for x
    x = 2,968,276,548.84/49,105.70
  6. Step 6: Final answer
    x = 60,446.68

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