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Finding the Fourth Proportional to 168,571.33, 252,856.08 and 68,731.13

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Solution

The fourth proportional to 168,571.33, 252,856.08 and 68,731.13 is: 103,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,571.33 : 252,856.08 = 68,731.13 : x
  2. Step 2: Convert to fraction form
    168,571.33/252,856.08 = 68,731.13/x
  3. Step 3: Cross multiply
    168,571.33x = 252,856.08 × 68,731.13
  4. Step 4: Simplify right side
    168,571.33x = 17,379,084,737.91
  5. Step 5: Solve for x
    x = 17,379,084,737.91/168,571.33
  6. Step 6: Final answer
    x = 103,096.33

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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.