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Finding the Fourth Proportional to 67,122.96, 100,677.96 and 20,376.24

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Solution

The fourth proportional to 67,122.96, 100,677.96 and 20,376.24 is: 30,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.96 : 100,677.96 = 20,376.24 : x
  2. Step 2: Convert to fraction form
    67,122.96/100,677.96 = 20,376.24/x
  3. Step 3: Cross multiply
    67,122.96x = 100,677.96 × 20,376.24
  4. Step 4: Simplify right side
    67,122.96x = 2,051,438,275.67
  5. Step 5: Solve for x
    x = 2,051,438,275.67/67,122.96
  6. Step 6: Final answer
    x = 30,562.39

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