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Finding the Fourth Proportional to 79,771.53, 110,084.16 and 43,961.59

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Solution

The fourth proportional to 79,771.53, 110,084.16 and 43,961.59 is: 60,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,771.53 : 110,084.16 = 43,961.59 : x
  2. Step 2: Convert to fraction form
    79,771.53/110,084.16 = 43,961.59/x
  3. Step 3: Cross multiply
    79,771.53x = 110,084.16 × 43,961.59
  4. Step 4: Simplify right side
    79,771.53x = 4,839,474,390.65
  5. Step 5: Solve for x
    x = 4,839,474,390.65/79,771.53
  6. Step 6: Final answer
    x = 60,666.68

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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.