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Finding the Fourth Proportional to 225,610.92, 311,343.44 and 123,620.18

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Solution

The fourth proportional to 225,610.92, 311,343.44 and 123,620.18 is: 170,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,610.92 : 311,343.44 = 123,620.18 : x
  2. Step 2: Convert to fraction form
    225,610.92/311,343.44 = 123,620.18/x
  3. Step 3: Cross multiply
    225,610.92x = 311,343.44 × 123,620.18
  4. Step 4: Simplify right side
    225,610.92x = 38,488,329,919.80
  5. Step 5: Solve for x
    x = 38,488,329,919.80/225,610.92
  6. Step 6: Final answer
    x = 170,596.04

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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.