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Finding the Fourth Proportional to 199,255.61, 274,968.37 and 108,608.11

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Solution

The fourth proportional to 199,255.61, 274,968.37 and 108,608.11 is: 149,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,255.61 : 274,968.37 = 108,608.11 : x
  2. Step 2: Convert to fraction form
    199,255.61/274,968.37 = 108,608.11/x
  3. Step 3: Cross multiply
    199,255.61x = 274,968.37 × 108,608.11
  4. Step 4: Simplify right side
    199,255.61x = 29,863,794,423.82
  5. Step 5: Solve for x
    x = 29,863,794,423.82/199,255.61
  6. Step 6: Final answer
    x = 149,876.80

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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.