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Finding the Fourth Proportional to 68,861.70, 96,537.60 and 68,861.70

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Solution

The fourth proportional to 68,861.70, 96,537.60 and 68,861.70 is: 96,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,861.70 : 96,537.60 = 68,861.70 : x
  2. Step 2: Convert to fraction form
    68,861.70/96,537.60 = 68,861.70/x
  3. Step 3: Cross multiply
    68,861.70x = 96,537.60 × 68,861.70
  4. Step 4: Simplify right side
    68,861.70x = 6,647,743,249.92
  5. Step 5: Solve for x
    x = 6,647,743,249.92/68,861.70
  6. Step 6: Final answer
    x = 96,537.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.