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Finding the Fourth Proportional to 68,006.89, 102,027.63 and 39,950.69

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Solution

The fourth proportional to 68,006.89, 102,027.63 and 39,950.69 is: 59,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,006.89 : 102,027.63 = 39,950.69 : x
  2. Step 2: Convert to fraction form
    68,006.89/102,027.63 = 39,950.69/x
  3. Step 3: Cross multiply
    68,006.89x = 102,027.63 × 39,950.69
  4. Step 4: Simplify right side
    68,006.89x = 4,076,073,857.24
  5. Step 5: Solve for x
    x = 4,076,073,857.24/68,006.89
  6. Step 6: Final answer
    x = 59,936.19

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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.