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Finding the Fourth Proportional to 226,020.69, 311,923.13 and 125,418.69

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Solution

The fourth proportional to 226,020.69, 311,923.13 and 125,418.69 is: 173,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.69 : 311,923.13 = 125,418.69 : x
  2. Step 2: Convert to fraction form
    226,020.69/311,923.13 = 125,418.69/x
  3. Step 3: Cross multiply
    226,020.69x = 311,923.13 × 125,418.69
  4. Step 4: Simplify right side
    226,020.69x = 39,120,990,345.30
  5. Step 5: Solve for x
    x = 39,120,990,345.30/226,020.69
  6. Step 6: Final answer
    x = 173,085.88

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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.