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Finding the Fourth Proportional to 80,353.50, 110,880.38 and 44,540.47

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Solution

The fourth proportional to 80,353.50, 110,880.38 and 44,540.47 is: 61,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,353.50 : 110,880.38 = 44,540.47 : x
  2. Step 2: Convert to fraction form
    80,353.50/110,880.38 = 44,540.47/x
  3. Step 3: Cross multiply
    80,353.50x = 110,880.38 × 44,540.47
  4. Step 4: Simplify right side
    80,353.50x = 4,938,663,461.87
  5. Step 5: Solve for x
    x = 4,938,663,461.87/80,353.50
  6. Step 6: Final answer
    x = 61,461.71

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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.