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Finding the Fourth Proportional to 73,031.56, 100,783.62 and 39,497.56

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Solution

The fourth proportional to 73,031.56, 100,783.62 and 39,497.56 is: 54,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,031.56 : 100,783.62 = 39,497.56 : x
  2. Step 2: Convert to fraction form
    73,031.56/100,783.62 = 39,497.56/x
  3. Step 3: Cross multiply
    73,031.56x = 100,783.62 × 39,497.56
  4. Step 4: Simplify right side
    73,031.56x = 3,980,707,077.97
  5. Step 5: Solve for x
    x = 3,980,707,077.97/73,031.56
  6. Step 6: Final answer
    x = 54,506.67

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