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Finding the Fourth Proportional to 67,768.92, 101,620.44 and 23,398.20

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Solution

The fourth proportional to 67,768.92, 101,620.44 and 23,398.20 is: 35,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,768.92 : 101,620.44 = 23,398.20 : x
  2. Step 2: Convert to fraction form
    67,768.92/101,620.44 = 23,398.20/x
  3. Step 3: Cross multiply
    67,768.92x = 101,620.44 × 23,398.20
  4. Step 4: Simplify right side
    67,768.92x = 2,377,735,379.21
  5. Step 5: Solve for x
    x = 2,377,735,379.21/67,768.92
  6. Step 6: Final answer
    x = 35,085.93

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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.