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Finding the Fourth Proportional to 79,617.50, 119,057.14 and 61,644.44

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Solution

The fourth proportional to 79,617.50, 119,057.14 and 61,644.44 is: 92,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,617.50 : 119,057.14 = 61,644.44 : x
  2. Step 2: Convert to fraction form
    79,617.50/119,057.14 = 61,644.44/x
  3. Step 3: Cross multiply
    79,617.50x = 119,057.14 × 61,644.44
  4. Step 4: Simplify right side
    79,617.50x = 7,339,211,098.00
  5. Step 5: Solve for x
    x = 7,339,211,098.00/79,617.50
  6. Step 6: Final answer
    x = 92,180.88

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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.