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Finding the Fourth Proportional to 80,329.86, 110,851.20 and 44,519.56

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Solution

The fourth proportional to 80,329.86, 110,851.20 and 44,519.56 is: 61,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.86 : 110,851.20 = 44,519.56 : x
  2. Step 2: Convert to fraction form
    80,329.86/110,851.20 = 44,519.56/x
  3. Step 3: Cross multiply
    80,329.86x = 110,851.20 × 44,519.56
  4. Step 4: Simplify right side
    80,329.86x = 4,935,046,372.34
  5. Step 5: Solve for x
    x = 4,935,046,372.34/80,329.86
  6. Step 6: Final answer
    x = 61,434.77

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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.