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Finding the Fourth Proportional to 80,239.88, 110,732.20 and 44,429.82

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Solution

The fourth proportional to 80,239.88, 110,732.20 and 44,429.82 is: 61,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239.88 : 110,732.20 = 44,429.82 : x
  2. Step 2: Convert to fraction form
    80,239.88/110,732.20 = 44,429.82/x
  3. Step 3: Cross multiply
    80,239.88x = 110,732.20 × 44,429.82
  4. Step 4: Simplify right side
    80,239.88x = 4,919,811,714.20
  5. Step 5: Solve for x
    x = 4,919,811,714.20/80,239.88
  6. Step 6: Final answer
    x = 61,313.80

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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.