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Finding the Fourth Proportional to 68,269.77, 102,451.10 and 41,894.01

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Solution

The fourth proportional to 68,269.77, 102,451.10 and 41,894.01 is: 62,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,269.77 : 102,451.10 = 41,894.01 : x
  2. Step 2: Convert to fraction form
    68,269.77/102,451.10 = 41,894.01/x
  3. Step 3: Cross multiply
    68,269.77x = 102,451.10 × 41,894.01
  4. Step 4: Simplify right side
    68,269.77x = 4,292,087,198.44
  5. Step 5: Solve for x
    x = 4,292,087,198.44/68,269.77
  6. Step 6: Final answer
    x = 62,869.51

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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.