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Finding the Fourth Proportional to 198,297.63, 297,402.71 and 58,067.19

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Solution

The fourth proportional to 198,297.63, 297,402.71 and 58,067.19 is: 87,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,297.63 : 297,402.71 = 58,067.19 : x
  2. Step 2: Convert to fraction form
    198,297.63/297,402.71 = 58,067.19/x
  3. Step 3: Cross multiply
    198,297.63x = 297,402.71 × 58,067.19
  4. Step 4: Simplify right side
    198,297.63x = 17,269,339,377.75
  5. Step 5: Solve for x
    x = 17,269,339,377.75/198,297.63
  6. Step 6: Final answer
    x = 87,087.98

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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.