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Finding the Fourth Proportional to 198,673.29, 298,020.27 and 65,563.94

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Solution

The fourth proportional to 198,673.29, 298,020.27 and 65,563.94 is: 98,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,673.29 : 298,020.27 = 65,563.94 : x
  2. Step 2: Convert to fraction form
    198,673.29/298,020.27 = 65,563.94/x
  3. Step 3: Cross multiply
    198,673.29x = 298,020.27 × 65,563.94
  4. Step 4: Simplify right side
    198,673.29x = 19,539,381,610.96
  5. Step 5: Solve for x
    x = 19,539,381,610.96/198,673.29
  6. Step 6: Final answer
    x = 98,349.31

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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.