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Finding the Fourth Proportional to 143,614.60, 215,421.90 and 54,822.40

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Solution

The fourth proportional to 143,614.60, 215,421.90 and 54,822.40 is: 82,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,614.60 : 215,421.90 = 54,822.40 : x
  2. Step 2: Convert to fraction form
    143,614.60/215,421.90 = 54,822.40/x
  3. Step 3: Cross multiply
    143,614.60x = 215,421.90 × 54,822.40
  4. Step 4: Simplify right side
    143,614.60x = 11,809,945,570.56
  5. Step 5: Solve for x
    x = 11,809,945,570.56/143,614.60
  6. Step 6: Final answer
    x = 82,233.60

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