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Finding the Fourth Proportional to 127,243.80, 190,865.70 and 107,560.80

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Solution

The fourth proportional to 127,243.80, 190,865.70 and 107,560.80 is: 161,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,243.80 : 190,865.70 = 107,560.80 : x
  2. Step 2: Convert to fraction form
    127,243.80/190,865.70 = 107,560.80/x
  3. Step 3: Cross multiply
    127,243.80x = 190,865.70 × 107,560.80
  4. Step 4: Simplify right side
    127,243.80x = 20,529,667,384.56
  5. Step 5: Solve for x
    x = 20,529,667,384.56/127,243.80
  6. Step 6: Final answer
    x = 161,341.20

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