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Finding the Fourth Proportional to 199,606.88, 275,445.78 and 108,944.84

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Solution

The fourth proportional to 199,606.88, 275,445.78 and 108,944.84 is: 150,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,606.88 : 275,445.78 = 108,944.84 : x
  2. Step 2: Convert to fraction form
    199,606.88/275,445.78 = 108,944.84/x
  3. Step 3: Cross multiply
    199,606.88x = 275,445.78 × 108,944.84
  4. Step 4: Simplify right side
    199,606.88x = 30,008,396,430.78
  5. Step 5: Solve for x
    x = 30,008,396,430.78/199,606.88
  6. Step 6: Final answer
    x = 150,337.49

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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.