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Finding the Fourth Proportional to 117,331.52, 161,926.08 and 67,029.44

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Solution

The fourth proportional to 117,331.52, 161,926.08 and 67,029.44 is: 92,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,331.52 : 161,926.08 = 67,029.44 : x
  2. Step 2: Convert to fraction form
    117,331.52/161,926.08 = 67,029.44/x
  3. Step 3: Cross multiply
    117,331.52x = 161,926.08 × 67,029.44
  4. Step 4: Simplify right side
    117,331.52x = 10,853,814,463.80
  5. Step 5: Solve for x
    x = 10,853,814,463.80/117,331.52
  6. Step 6: Final answer
    x = 92,505.53

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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.