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Finding the Fourth Proportional to 68,131.99, 102,168.82 and 23,745.61

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Solution

The fourth proportional to 68,131.99, 102,168.82 and 23,745.61 is: 35,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.99 : 102,168.82 = 23,745.61 : x
  2. Step 2: Convert to fraction form
    68,131.99/102,168.82 = 23,745.61/x
  3. Step 3: Cross multiply
    68,131.99x = 102,168.82 × 23,745.61
  4. Step 4: Simplify right side
    68,131.99x = 2,426,060,953.88
  5. Step 5: Solve for x
    x = 2,426,060,953.88/68,131.99
  6. Step 6: Final answer
    x = 35,608.25

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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.