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Finding the Fourth Proportional to 80,855.20, 111,578.96 and 46,868.32

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Solution

The fourth proportional to 80,855.20, 111,578.96 and 46,868.32 is: 64,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,855.20 : 111,578.96 = 46,868.32 : x
  2. Step 2: Convert to fraction form
    80,855.20/111,578.96 = 46,868.32/x
  3. Step 3: Cross multiply
    80,855.20x = 111,578.96 × 46,868.32
  4. Step 4: Simplify right side
    80,855.20x = 5,229,518,402.55
  5. Step 5: Solve for x
    x = 5,229,518,402.55/80,855.20
  6. Step 6: Final answer
    x = 64,677.58

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