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Finding the Fourth Proportional to 67,351.75, 92,943.64 and 37,136.57

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Solution

The fourth proportional to 67,351.75, 92,943.64 and 37,136.57 is: 51,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351.75 : 92,943.64 = 37,136.57 : x
  2. Step 2: Convert to fraction form
    67,351.75/92,943.64 = 37,136.57/x
  3. Step 3: Cross multiply
    67,351.75x = 92,943.64 × 37,136.57
  4. Step 4: Simplify right side
    67,351.75x = 3,451,607,667.71
  5. Step 5: Solve for x
    x = 3,451,607,667.71/67,351.75
  6. Step 6: Final answer
    x = 51,247.48

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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.