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Finding the Fourth Proportional to 79,114.54, 109,177.65 and 42,815.98

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Solution

The fourth proportional to 79,114.54, 109,177.65 and 42,815.98 is: 59,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.54 : 109,177.65 = 42,815.98 : x
  2. Step 2: Convert to fraction form
    79,114.54/109,177.65 = 42,815.98/x
  3. Step 3: Cross multiply
    79,114.54x = 109,177.65 × 42,815.98
  4. Step 4: Simplify right side
    79,114.54x = 4,674,548,078.85
  5. Step 5: Solve for x
    x = 4,674,548,078.85/79,114.54
  6. Step 6: Final answer
    x = 59,085.83

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