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Finding the Fourth Proportional to 198,189.87, 297,173.34 and 65,058.97

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Solution

The fourth proportional to 198,189.87, 297,173.34 and 65,058.97 is: 97,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189.87 : 297,173.34 = 65,058.97 : x
  2. Step 2: Convert to fraction form
    198,189.87/297,173.34 = 65,058.97/x
  3. Step 3: Cross multiply
    198,189.87x = 297,173.34 × 65,058.97
  4. Step 4: Simplify right side
    198,189.87x = 19,333,791,411.86
  5. Step 5: Solve for x
    x = 19,333,791,411.86/198,189.87
  6. Step 6: Final answer
    x = 97,551.86

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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.