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Finding the Fourth Proportional to 67,672.67, 101,477.00 and 20,269.44

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Solution

The fourth proportional to 67,672.67, 101,477.00 and 20,269.44 is: 30,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,672.67 : 101,477.00 = 20,269.44 : x
  2. Step 2: Convert to fraction form
    67,672.67/101,477.00 = 20,269.44/x
  3. Step 3: Cross multiply
    67,672.67x = 101,477.00 × 20,269.44
  4. Step 4: Simplify right side
    67,672.67x = 2,056,882,013.55
  5. Step 5: Solve for x
    x = 2,056,882,013.55/67,672.67
  6. Step 6: Final answer
    x = 30,394.58

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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.