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Finding the Fourth Proportional to 93,843.92, 140,699 and 43,896.79

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Solution

The fourth proportional to 93,843.92, 140,699 and 43,896.79 is: 65,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.92 : 140,699 = 43,896.79 : x
  2. Step 2: Convert to fraction form
    93,843.92/140,699 = 43,896.79/x
  3. Step 3: Cross multiply
    93,843.92x = 140,699 × 43,896.79
  4. Step 4: Simplify right side
    93,843.92x = 6,176,234,456.21
  5. Step 5: Solve for x
    x = 6,176,234,456.21/93,843.92
  6. Step 6: Final answer
    x = 65,813.90

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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.