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Finding the Fourth Proportional to 67,291.30, 92,860.77 and 37,079.41

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Solution

The fourth proportional to 67,291.30, 92,860.77 and 37,079.41 is: 51,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,291.30 : 92,860.77 = 37,079.41 : x
  2. Step 2: Convert to fraction form
    67,291.30/92,860.77 = 37,079.41/x
  3. Step 3: Cross multiply
    67,291.30x = 92,860.77 × 37,079.41
  4. Step 4: Simplify right side
    67,291.30x = 3,443,222,563.75
  5. Step 5: Solve for x
    x = 3,443,222,563.75/67,291.30
  6. Step 6: Final answer
    x = 51,168.91

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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.