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Finding the Fourth Proportional to 61,198.56, 91,796.49 and 25,167.42

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Solution

The fourth proportional to 61,198.56, 91,796.49 and 25,167.42 is: 37,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.56 : 91,796.49 = 25,167.42 : x
  2. Step 2: Convert to fraction form
    61,198.56/91,796.49 = 25,167.42/x
  3. Step 3: Cross multiply
    61,198.56x = 91,796.49 × 25,167.42
  4. Step 4: Simplify right side
    61,198.56x = 2,310,280,818.36
  5. Step 5: Solve for x
    x = 2,310,280,818.36/61,198.56
  6. Step 6: Final answer
    x = 37,750.57

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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.