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Finding the Fourth Proportional to 79,479.86, 109,688.37 and 47,650.10

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Solution

The fourth proportional to 79,479.86, 109,688.37 and 47,650.10 is: 65,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,479.86 : 109,688.37 = 47,650.10 : x
  2. Step 2: Convert to fraction form
    79,479.86/109,688.37 = 47,650.10/x
  3. Step 3: Cross multiply
    79,479.86x = 109,688.37 × 47,650.10
  4. Step 4: Simplify right side
    79,479.86x = 5,226,661,799.34
  5. Step 5: Solve for x
    x = 5,226,661,799.34/79,479.86
  6. Step 6: Final answer
    x = 65,760.83

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