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Finding the Fourth Proportional to 198,891.86, 298,292.22 and 56,734.44

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Solution

The fourth proportional to 198,891.86, 298,292.22 and 56,734.44 is: 85,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,891.86 : 298,292.22 = 56,734.44 : x
  2. Step 2: Convert to fraction form
    198,891.86/298,292.22 = 56,734.44/x
  3. Step 3: Cross multiply
    198,891.86x = 298,292.22 × 56,734.44
  4. Step 4: Simplify right side
    198,891.86x = 16,923,442,058.06
  5. Step 5: Solve for x
    x = 16,923,442,058.06/198,891.86
  6. Step 6: Final answer
    x = 85,088.66

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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.