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Finding the Fourth Proportional to 199,255.69, 274,969.30 and 108,612.44

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Solution

The fourth proportional to 199,255.69, 274,969.30 and 108,612.44 is: 149,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,255.69 : 274,969.30 = 108,612.44 : x
  2. Step 2: Convert to fraction form
    199,255.69/274,969.30 = 108,612.44/x
  3. Step 3: Cross multiply
    199,255.69x = 274,969.30 × 108,612.44
  4. Step 4: Simplify right side
    199,255.69x = 29,865,084,680.18
  5. Step 5: Solve for x
    x = 29,865,084,680.18/199,255.69
  6. Step 6: Final answer
    x = 149,883.23

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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.