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Finding the Fourth Proportional to 199,398.39, 275,162.16 and 109,974.39

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Solution

The fourth proportional to 199,398.39, 275,162.16 and 109,974.39 is: 151,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,398.39 : 275,162.16 = 109,974.39 : x
  2. Step 2: Convert to fraction form
    199,398.39/275,162.16 = 109,974.39/x
  3. Step 3: Cross multiply
    199,398.39x = 275,162.16 × 109,974.39
  4. Step 4: Simplify right side
    199,398.39x = 30,260,790,697.08
  5. Step 5: Solve for x
    x = 30,260,790,697.08/199,398.39
  6. Step 6: Final answer
    x = 151,760.46

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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.