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Finding the Fourth Proportional to 67,151.86, 92,668.04 and 36,936.53

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Solution

The fourth proportional to 67,151.86, 92,668.04 and 36,936.53 is: 50,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.86 : 92,668.04 = 36,936.53 : x
  2. Step 2: Convert to fraction form
    67,151.86/92,668.04 = 36,936.53/x
  3. Step 3: Cross multiply
    67,151.86x = 92,668.04 × 36,936.53
  4. Step 4: Simplify right side
    67,151.86x = 3,422,835,191.48
  5. Step 5: Solve for x
    x = 3,422,835,191.48/67,151.86
  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.