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Finding the Fourth Proportional to 199,362.48, 275,120.01 and 108,718.62

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Solution

The fourth proportional to 199,362.48, 275,120.01 and 108,718.62 is: 150,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,362.48 : 275,120.01 = 108,718.62 : x
  2. Step 2: Convert to fraction form
    199,362.48/275,120.01 = 108,718.62/x
  3. Step 3: Cross multiply
    199,362.48x = 275,120.01 × 108,718.62
  4. Step 4: Simplify right side
    199,362.48x = 29,910,667,821.59
  5. Step 5: Solve for x
    x = 29,910,667,821.59/199,362.48
  6. Step 6: Final answer
    x = 150,031.58

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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.