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Finding the Fourth Proportional to 78,935.50, 108,930.99 and 45,401.50

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Solution

The fourth proportional to 78,935.50, 108,930.99 and 45,401.50 is: 62,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935.50 : 108,930.99 = 45,401.50 : x
  2. Step 2: Convert to fraction form
    78,935.50/108,930.99 = 45,401.50/x
  3. Step 3: Cross multiply
    78,935.50x = 108,930.99 × 45,401.50
  4. Step 4: Simplify right side
    78,935.50x = 4,945,630,342.49
  5. Step 5: Solve for x
    x = 4,945,630,342.49/78,935.50
  6. Step 6: Final answer
    x = 62,654.07

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