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Finding the Fourth Proportional to 68,149.21, 94,045.90 and 37,933.88

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Solution

The fourth proportional to 68,149.21, 94,045.90 and 37,933.88 is: 52,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149.21 : 94,045.90 = 37,933.88 : x
  2. Step 2: Convert to fraction form
    68,149.21/94,045.90 = 37,933.88/x
  3. Step 3: Cross multiply
    68,149.21x = 94,045.90 × 37,933.88
  4. Step 4: Simplify right side
    68,149.21x = 3,567,525,885.09
  5. Step 5: Solve for x
    x = 3,567,525,885.09/68,149.21
  6. Step 6: Final answer
    x = 52,348.75

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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.