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Finding the Fourth Proportional to 335,475.28, 503,212.92 and 86,157.52

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Solution

The fourth proportional to 335,475.28, 503,212.92 and 86,157.52 is: 129,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,475.28 : 503,212.92 = 86,157.52 : x
  2. Step 2: Convert to fraction form
    335,475.28/503,212.92 = 86,157.52/x
  3. Step 3: Cross multiply
    335,475.28x = 503,212.92 × 86,157.52
  4. Step 4: Simplify right side
    335,475.28x = 43,355,577,219.16
  5. Step 5: Solve for x
    x = 43,355,577,219.16/335,475.28
  6. Step 6: Final answer
    x = 129,236.28

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