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Finding the Fourth Proportional to 80,300.68, 110,815.82 and 44,491.25

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Solution

The fourth proportional to 80,300.68, 110,815.82 and 44,491.25 is: 61,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.68 : 110,815.82 = 44,491.25 : x
  2. Step 2: Convert to fraction form
    80,300.68/110,815.82 = 44,491.25/x
  3. Step 3: Cross multiply
    80,300.68x = 110,815.82 × 44,491.25
  4. Step 4: Simplify right side
    80,300.68x = 4,930,334,351.58
  5. Step 5: Solve for x
    x = 4,930,334,351.58/80,300.68
  6. Step 6: Final answer
    x = 61,398.41

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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.