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Finding the Fourth Proportional to 71,029.20, 106,543.80 and 44,763.60

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Solution

The fourth proportional to 71,029.20, 106,543.80 and 44,763.60 is: 67,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.20 : 106,543.80 = 44,763.60 : x
  2. Step 2: Convert to fraction form
    71,029.20/106,543.80 = 44,763.60/x
  3. Step 3: Cross multiply
    71,029.20x = 106,543.80 × 44,763.60
  4. Step 4: Simplify right side
    71,029.20x = 4,769,284,045.68
  5. Step 5: Solve for x
    x = 4,769,284,045.68/71,029.20
  6. Step 6: Final answer
    x = 67,145.40

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