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Finding the Fourth Proportional to 199,243.62, 298,702.56 and 92,693.99

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Solution

The fourth proportional to 199,243.62, 298,702.56 and 92,693.99 is: 138,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,243.62 : 298,702.56 = 92,693.99 : x
  2. Step 2: Convert to fraction form
    199,243.62/298,702.56 = 92,693.99/x
  3. Step 3: Cross multiply
    199,243.62x = 298,702.56 × 92,693.99
  4. Step 4: Simplify right side
    199,243.62x = 27,687,932,109.61
  5. Step 5: Solve for x
    x = 27,687,932,109.61/199,243.62
  6. Step 6: Final answer
    x = 138,965.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.