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Finding the Fourth Proportional to 80,483.73, 111,065.43 and 44,672.82

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Solution

The fourth proportional to 80,483.73, 111,065.43 and 44,672.82 is: 61,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,483.73 : 111,065.43 = 44,672.82 : x
  2. Step 2: Convert to fraction form
    80,483.73/111,065.43 = 44,672.82/x
  3. Step 3: Cross multiply
    80,483.73x = 111,065.43 × 44,672.82
  4. Step 4: Simplify right side
    80,483.73x = 4,961,605,462.36
  5. Step 5: Solve for x
    x = 4,961,605,462.36/80,483.73
  6. Step 6: Final answer
    x = 61,647.31

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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.