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Finding the Fourth Proportional to 67,171.72, 92,696.97 and 36,956.40

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Solution

The fourth proportional to 67,171.72, 92,696.97 and 36,956.40 is: 50,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,171.72 : 92,696.97 = 36,956.40 : x
  2. Step 2: Convert to fraction form
    67,171.72/92,696.97 = 36,956.40/x
  3. Step 3: Cross multiply
    67,171.72x = 92,696.97 × 36,956.40
  4. Step 4: Simplify right side
    67,171.72x = 3,425,746,302.11
  5. Step 5: Solve for x
    x = 3,425,746,302.11/67,171.72
  6. Step 6: Final answer
    x = 50,999.83

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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.