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Finding the Fourth Proportional to 67,297.30, 92,869.77 and 37,081.90

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Solution

The fourth proportional to 67,297.30, 92,869.77 and 37,081.90 is: 51,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.30 : 92,869.77 = 37,081.90 : x
  2. Step 2: Convert to fraction form
    67,297.30/92,869.77 = 37,081.90/x
  3. Step 3: Cross multiply
    67,297.30x = 92,869.77 × 37,081.90
  4. Step 4: Simplify right side
    67,297.30x = 3,443,787,779.31
  5. Step 5: Solve for x
    x = 3,443,787,779.31/67,297.30
  6. Step 6: Final answer
    x = 51,172.75

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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.