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Finding the Fourth Proportional to 78,978.80, 108,990.58 and 44,987.27

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Solution

The fourth proportional to 78,978.80, 108,990.58 and 44,987.27 is: 62,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,978.80 : 108,990.58 = 44,987.27 : x
  2. Step 2: Convert to fraction form
    78,978.80/108,990.58 = 44,987.27/x
  3. Step 3: Cross multiply
    78,978.80x = 108,990.58 × 44,987.27
  4. Step 4: Simplify right side
    78,978.80x = 4,903,188,401.21
  5. Step 5: Solve for x
    x = 4,903,188,401.21/78,978.80
  6. Step 6: Final answer
    x = 62,082.34

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