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Finding the Fourth Proportional to 67,070.72, 100,609.44 and 25,520.96

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Solution

The fourth proportional to 67,070.72, 100,609.44 and 25,520.96 is: 38,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070.72 : 100,609.44 = 25,520.96 : x
  2. Step 2: Convert to fraction form
    67,070.72/100,609.44 = 25,520.96/x
  3. Step 3: Cross multiply
    67,070.72x = 100,609.44 × 25,520.96
  4. Step 4: Simplify right side
    67,070.72x = 2,567,649,493.86
  5. Step 5: Solve for x
    x = 2,567,649,493.86/67,070.72
  6. Step 6: Final answer
    x = 38,282.72

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