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Finding the Fourth Proportional to 80,371.45, 110,915.22 and 44,564.80

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Solution

The fourth proportional to 80,371.45, 110,915.22 and 44,564.80 is: 61,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.45 : 110,915.22 = 44,564.80 : x
  2. Step 2: Convert to fraction form
    80,371.45/110,915.22 = 44,564.80/x
  3. Step 3: Cross multiply
    80,371.45x = 110,915.22 × 44,564.80
  4. Step 4: Simplify right side
    80,371.45x = 4,942,914,596.26
  5. Step 5: Solve for x
    x = 4,942,914,596.26/80,371.45
  6. Step 6: Final answer
    x = 61,500.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.