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Finding the Fourth Proportional to 73,031.72, 109,546.76 and 39,744.23

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Solution

The fourth proportional to 73,031.72, 109,546.76 and 39,744.23 is: 59,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,031.72 : 109,546.76 = 39,744.23 : x
  2. Step 2: Convert to fraction form
    73,031.72/109,546.76 = 39,744.23/x
  3. Step 3: Cross multiply
    73,031.72x = 109,546.76 × 39,744.23
  4. Step 4: Simplify right side
    73,031.72x = 4,353,851,176.82
  5. Step 5: Solve for x
    x = 4,353,851,176.82/73,031.72
  6. Step 6: Final answer
    x = 59,615.90

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