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Finding the Fourth Proportional to 199,459.44, 275,254.92 and 108,815.13

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Solution

The fourth proportional to 199,459.44, 275,254.92 and 108,815.13 is: 150,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,459.44 : 275,254.92 = 108,815.13 : x
  2. Step 2: Convert to fraction form
    199,459.44/275,254.92 = 108,815.13/x
  3. Step 3: Cross multiply
    199,459.44x = 275,254.92 × 108,815.13
  4. Step 4: Simplify right side
    199,459.44x = 29,951,899,902.94
  5. Step 5: Solve for x
    x = 29,951,899,902.94/199,459.44
  6. Step 6: Final answer
    x = 150,165.37

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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.