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Finding the Fourth Proportional to 199,240.86, 274,952.58 and 108,596.90

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Solution

The fourth proportional to 199,240.86, 274,952.58 and 108,596.90 is: 149,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,240.86 : 274,952.58 = 108,596.90 : x
  2. Step 2: Convert to fraction form
    199,240.86/274,952.58 = 108,596.90/x
  3. Step 3: Cross multiply
    199,240.86x = 274,952.58 × 108,596.90
  4. Step 4: Simplify right side
    199,240.86x = 29,858,997,835.00
  5. Step 5: Solve for x
    x = 29,858,997,835.00/199,240.86
  6. Step 6: Final answer
    x = 149,863.83

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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.