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Finding the Fourth Proportional to 57,540.83, 86,204.32 and 31,267.67

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Solution

The fourth proportional to 57,540.83, 86,204.32 and 31,267.67 is: 46,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540.83 : 86,204.32 = 31,267.67 : x
  2. Step 2: Convert to fraction form
    57,540.83/86,204.32 = 31,267.67/x
  3. Step 3: Cross multiply
    57,540.83x = 86,204.32 × 31,267.67
  4. Step 4: Simplify right side
    57,540.83x = 2,695,407,721.14
  5. Step 5: Solve for x
    x = 2,695,407,721.14/57,540.83
  6. Step 6: Final answer
    x = 46,843.40

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