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Finding the Fourth Proportional to 198,773.16, 298,131.60 and 63,848.97

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Solution

The fourth proportional to 198,773.16, 298,131.60 and 63,848.97 is: 95,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,773.16 : 298,131.60 = 63,848.97 : x
  2. Step 2: Convert to fraction form
    198,773.16/298,131.60 = 63,848.97/x
  3. Step 3: Cross multiply
    198,773.16x = 298,131.60 × 63,848.97
  4. Step 4: Simplify right side
    198,773.16x = 19,035,395,584.45
  5. Step 5: Solve for x
    x = 19,035,395,584.45/198,773.16
  6. Step 6: Final answer
    x = 95,764.42

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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.