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Finding the Fourth Proportional to 79,772.73, 110,084.72 and 43,961.82

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Solution

The fourth proportional to 79,772.73, 110,084.72 and 43,961.82 is: 60,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.73 : 110,084.72 = 43,961.82 : x
  2. Step 2: Convert to fraction form
    79,772.73/110,084.72 = 43,961.82/x
  3. Step 3: Cross multiply
    79,772.73x = 110,084.72 × 43,961.82
  4. Step 4: Simplify right side
    79,772.73x = 4,839,524,425.58
  5. Step 5: Solve for x
    x = 4,839,524,425.58/79,772.73
  6. Step 6: Final answer
    x = 60,666.40

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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.