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Finding the Fourth Proportional to 57,343.89, 79,173.14 and 43,891.14

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Solution

The fourth proportional to 57,343.89, 79,173.14 and 43,891.14 is: 60,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.89 : 79,173.14 = 43,891.14 : x
  2. Step 2: Convert to fraction form
    57,343.89/79,173.14 = 43,891.14/x
  3. Step 3: Cross multiply
    57,343.89x = 79,173.14 × 43,891.14
  4. Step 4: Simplify right side
    57,343.89x = 3,474,999,152.52
  5. Step 5: Solve for x
    x = 3,474,999,152.52/57,343.89
  6. Step 6: Final answer
    x = 60,599.29

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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.