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Finding the Fourth Proportional to 80,443.94, 111,011.21 and 44,633.33

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Solution

The fourth proportional to 80,443.94, 111,011.21 and 44,633.33 is: 61,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443.94 : 111,011.21 = 44,633.33 : x
  2. Step 2: Convert to fraction form
    80,443.94/111,011.21 = 44,633.33/x
  3. Step 3: Cross multiply
    80,443.94x = 111,011.21 × 44,633.33
  4. Step 4: Simplify right side
    80,443.94x = 4,954,799,775.07
  5. Step 5: Solve for x
    x = 4,954,799,775.07/80,443.94
  6. Step 6: Final answer
    x = 61,593.20

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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.