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Finding the Fourth Proportional to 199,540.01, 275,371.00 and 108,901.79

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Solution

The fourth proportional to 199,540.01, 275,371.00 and 108,901.79 is: 150,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,540.01 : 275,371.00 = 108,901.79 : x
  2. Step 2: Convert to fraction form
    199,540.01/275,371.00 = 108,901.79/x
  3. Step 3: Cross multiply
    199,540.01x = 275,371.00 × 108,901.79
  4. Step 4: Simplify right side
    199,540.01x = 29,988,393,164.98
  5. Step 5: Solve for x
    x = 29,988,393,164.98/199,540.01
  6. Step 6: Final answer
    x = 150,287.62

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1.5x scale

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.