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Finding the Fourth Proportional to 115,793.16, 159,743.82 and 68,024.94

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Solution

The fourth proportional to 115,793.16, 159,743.82 and 68,024.94 is: 93,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,793.16 : 159,743.82 = 68,024.94 : x
  2. Step 2: Convert to fraction form
    115,793.16/159,743.82 = 68,024.94/x
  3. Step 3: Cross multiply
    115,793.16x = 159,743.82 × 68,024.94
  4. Step 4: Simplify right side
    115,793.16x = 10,866,563,770.87
  5. Step 5: Solve for x
    x = 10,866,563,770.87/115,793.16
  6. Step 6: Final answer
    x = 93,844.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.