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Finding the Fourth Proportional to 198,183.97, 297,164.55 and 65,053.07

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Solution

The fourth proportional to 198,183.97, 297,164.55 and 65,053.07 is: 97,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,183.97 : 297,164.55 = 65,053.07 : x
  2. Step 2: Convert to fraction form
    198,183.97/297,164.55 = 65,053.07/x
  3. Step 3: Cross multiply
    198,183.97x = 297,164.55 × 65,053.07
  4. Step 4: Simplify right side
    198,183.97x = 19,331,467,450.79
  5. Step 5: Solve for x
    x = 19,331,467,450.79/198,183.97
  6. Step 6: Final answer
    x = 97,543.04

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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.