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Finding the Fourth Proportional to 45,417.48, 68,118.20 and 13,819.92

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Solution

The fourth proportional to 45,417.48, 68,118.20 and 13,819.92 is: 20,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.48 : 68,118.20 = 13,819.92 : x
  2. Step 2: Convert to fraction form
    45,417.48/68,118.20 = 13,819.92/x
  3. Step 3: Cross multiply
    45,417.48x = 68,118.20 × 13,819.92
  4. Step 4: Simplify right side
    45,417.48x = 941,388,074.54
  5. Step 5: Solve for x
    x = 941,388,074.54/45,417.48
  6. Step 6: Final answer
    x = 20,727.44

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