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Finding the Fourth Proportional to 79,799.48, 119,703.32 and 20,635.66

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Solution

The fourth proportional to 79,799.48, 119,703.32 and 20,635.66 is: 30,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.48 : 119,703.32 = 20,635.66 : x
  2. Step 2: Convert to fraction form
    79,799.48/119,703.32 = 20,635.66/x
  3. Step 3: Cross multiply
    79,799.48x = 119,703.32 × 20,635.66
  4. Step 4: Simplify right side
    79,799.48x = 2,470,157,012.39
  5. Step 5: Solve for x
    x = 2,470,157,012.39/79,799.48
  6. Step 6: Final answer
    x = 30,954.55

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