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Finding the Fourth Proportional to 225,925.77, 338,891.09 and 68,155.59

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Solution

The fourth proportional to 225,925.77, 338,891.09 and 68,155.59 is: 102,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,925.77 : 338,891.09 = 68,155.59 : x
  2. Step 2: Convert to fraction form
    225,925.77/338,891.09 = 68,155.59/x
  3. Step 3: Cross multiply
    225,925.77x = 338,891.09 × 68,155.59
  4. Step 4: Simplify right side
    225,925.77x = 23,097,321,843.92
  5. Step 5: Solve for x
    x = 23,097,321,843.92/225,925.77
  6. Step 6: Final answer
    x = 102,234.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.