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Finding the Fourth Proportional to 195,003.70, 269,230.17 and 159,279.46

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Solution

The fourth proportional to 195,003.70, 269,230.17 and 159,279.46 is: 219,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,003.70 : 269,230.17 = 159,279.46 : x
  2. Step 2: Convert to fraction form
    195,003.70/269,230.17 = 159,279.46/x
  3. Step 3: Cross multiply
    195,003.70x = 269,230.17 × 159,279.46
  4. Step 4: Simplify right side
    195,003.70x = 42,882,836,093.31
  5. Step 5: Solve for x
    x = 42,882,836,093.31/195,003.70
  6. Step 6: Final answer
    x = 219,907.81

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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.