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Finding the Fourth Proportional to 198,847.33, 298,317.71 and 65,727.59

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Solution

The fourth proportional to 198,847.33, 298,317.71 and 65,727.59 is: 98,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,847.33 : 298,317.71 = 65,727.59 : x
  2. Step 2: Convert to fraction form
    198,847.33/298,317.71 = 65,727.59/x
  3. Step 3: Cross multiply
    198,847.33x = 298,317.71 × 65,727.59
  4. Step 4: Simplify right side
    198,847.33x = 19,607,704,132.62
  5. Step 5: Solve for x
    x = 19,607,704,132.62/198,847.33
  6. Step 6: Final answer
    x = 98,606.83

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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.