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Finding the Fourth Proportional to 199,246, 274,957.70 and 108,601.96

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Solution

The fourth proportional to 199,246, 274,957.70 and 108,601.96 is: 149,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,246 : 274,957.70 = 108,601.96 : x
  2. Step 2: Convert to fraction form
    199,246/274,957.70 = 108,601.96/x
  3. Step 3: Cross multiply
    199,246x = 274,957.70 × 108,601.96
  4. Step 4: Simplify right side
    199,246x = 29,860,945,137.09
  5. Step 5: Solve for x
    x = 29,860,945,137.09/199,246
  6. Step 6: Final answer
    x = 149,869.73

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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.