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Finding the Fourth Proportional to 67,930.80, 101,896.20 and 44,311.20

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Solution

The fourth proportional to 67,930.80, 101,896.20 and 44,311.20 is: 66,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,930.80 : 101,896.20 = 44,311.20 : x
  2. Step 2: Convert to fraction form
    67,930.80/101,896.20 = 44,311.20/x
  3. Step 3: Cross multiply
    67,930.80x = 101,896.20 × 44,311.20
  4. Step 4: Simplify right side
    67,930.80x = 4,515,142,897.44
  5. Step 5: Solve for x
    x = 4,515,142,897.44/67,930.80
  6. Step 6: Final answer
    x = 66,466.80

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1.5x scale

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.