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Finding the Fourth Proportional to 67,151.85, 92,668.05 and 36,936.51

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Solution

The fourth proportional to 67,151.85, 92,668.05 and 36,936.51 is: 50,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.85 : 92,668.05 = 36,936.51 : x
  2. Step 2: Convert to fraction form
    67,151.85/92,668.05 = 36,936.51/x
  3. Step 3: Cross multiply
    67,151.85x = 92,668.05 × 36,936.51
  4. Step 4: Simplify right side
    67,151.85x = 3,422,834,355.51
  5. Step 5: Solve for x
    x = 3,422,834,355.51/67,151.85
  6. Step 6: Final answer
    x = 50,971.56

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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.