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Finding the Fourth Proportional to 198,411.11, 297,627.90 and 63,487.04

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Solution

The fourth proportional to 198,411.11, 297,627.90 and 63,487.04 is: 95,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,411.11 : 297,627.90 = 63,487.04 : x
  2. Step 2: Convert to fraction form
    198,411.11/297,627.90 = 63,487.04/x
  3. Step 3: Cross multiply
    198,411.11x = 297,627.90 × 63,487.04
  4. Step 4: Simplify right side
    198,411.11x = 18,895,514,392.42
  5. Step 5: Solve for x
    x = 18,895,514,392.42/198,411.11
  6. Step 6: Final answer
    x = 95,234.15

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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.