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Finding the Fourth Proportional to 199,373.56, 275,135.46 and 109,949.56

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Solution

The fourth proportional to 199,373.56, 275,135.46 and 109,949.56 is: 151,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,373.56 : 275,135.46 = 109,949.56 : x
  2. Step 2: Convert to fraction form
    199,373.56/275,135.46 = 109,949.56/x
  3. Step 3: Cross multiply
    199,373.56x = 275,135.46 × 109,949.56
  4. Step 4: Simplify right side
    199,373.56x = 30,251,022,767.40
  5. Step 5: Solve for x
    x = 30,251,022,767.40/199,373.56
  6. Step 6: Final answer
    x = 151,730.36

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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.