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Finding the Fourth Proportional to 80,372.54, 110,913.91 and 44,561.63

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Solution

The fourth proportional to 80,372.54, 110,913.91 and 44,561.63 is: 61,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,372.54 : 110,913.91 = 44,561.63 : x
  2. Step 2: Convert to fraction form
    80,372.54/110,913.91 = 44,561.63/x
  3. Step 3: Cross multiply
    80,372.54x = 110,913.91 × 44,561.63
  4. Step 4: Simplify right side
    80,372.54x = 4,942,503,953.30
  5. Step 5: Solve for x
    x = 4,942,503,953.30/80,372.54
  6. Step 6: Final answer
    x = 61,494.94

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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.