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Finding the Fourth Proportional to 236,540.80, 354,867.90 and 78,770.62

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Solution

The fourth proportional to 236,540.80, 354,867.90 and 78,770.62 is: 118,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,540.80 : 354,867.90 = 78,770.62 : x
  2. Step 2: Convert to fraction form
    236,540.80/354,867.90 = 78,770.62/x
  3. Step 3: Cross multiply
    236,540.80x = 354,867.90 × 78,770.62
  4. Step 4: Simplify right side
    236,540.80x = 27,953,164,501.10
  5. Step 5: Solve for x
    x = 27,953,164,501.10/236,540.80
  6. Step 6: Final answer
    x = 118,174.81

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