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Finding the Fourth Proportional to 68,362.53, 102,539.21 and 23,379.59

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Solution

The fourth proportional to 68,362.53, 102,539.21 and 23,379.59 is: 35,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362.53 : 102,539.21 = 23,379.59 : x
  2. Step 2: Convert to fraction form
    68,362.53/102,539.21 = 23,379.59/x
  3. Step 3: Cross multiply
    68,362.53x = 102,539.21 × 23,379.59
  4. Step 4: Simplify right side
    68,362.53x = 2,397,324,059.13
  5. Step 5: Solve for x
    x = 2,397,324,059.13/68,362.53
  6. Step 6: Final answer
    x = 35,067.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.