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Finding the Fourth Proportional to 67,236, 92,791.44 and 37,433.76

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Solution

The fourth proportional to 67,236, 92,791.44 and 37,433.76 is: 51,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,236 : 92,791.44 = 37,433.76 : x
  2. Step 2: Convert to fraction form
    67,236/92,791.44 = 37,433.76/x
  3. Step 3: Cross multiply
    67,236x = 92,791.44 × 37,433.76
  4. Step 4: Simplify right side
    67,236x = 3,473,532,495.01
  5. Step 5: Solve for x
    x = 3,473,532,495.01/67,236
  6. Step 6: Final answer
    x = 51,661.80

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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.