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Finding the Fourth Proportional to 225,466.32, 338,205.69 and 67,694.79

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Solution

The fourth proportional to 225,466.32, 338,205.69 and 67,694.79 is: 101,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,466.32 : 338,205.69 = 67,694.79 : x
  2. Step 2: Convert to fraction form
    225,466.32/338,205.69 = 67,694.79/x
  3. Step 3: Cross multiply
    225,466.32x = 338,205.69 × 67,694.79
  4. Step 4: Simplify right side
    225,466.32x = 22,894,763,161.36
  5. Step 5: Solve for x
    x = 22,894,763,161.36/225,466.32
  6. Step 6: Final answer
    x = 101,544.05

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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.