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Finding the Fourth Proportional to 67,172.70, 92,736.72 and 44,542.44

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Solution

The fourth proportional to 67,172.70, 92,736.72 and 44,542.44 is: 61,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.70 : 92,736.72 = 44,542.44 : x
  2. Step 2: Convert to fraction form
    67,172.70/92,736.72 = 44,542.44/x
  3. Step 3: Cross multiply
    67,172.70x = 92,736.72 × 44,542.44
  4. Step 4: Simplify right side
    67,172.70x = 4,130,719,786.40
  5. Step 5: Solve for x
    x = 4,130,719,786.40/67,172.70
  6. Step 6: Final answer
    x = 61,494.03

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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.