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Finding the Fourth Proportional to 217,675.59, 300,392.46 and 122,198.46

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Solution

The fourth proportional to 217,675.59, 300,392.46 and 122,198.46 is: 168,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,675.59 : 300,392.46 = 122,198.46 : x
  2. Step 2: Convert to fraction form
    217,675.59/300,392.46 = 122,198.46/x
  3. Step 3: Cross multiply
    217,675.59x = 300,392.46 × 122,198.46
  4. Step 4: Simplify right side
    217,675.59x = 36,707,496,007.61
  5. Step 5: Solve for x
    x = 36,707,496,007.61/217,675.59
  6. Step 6: Final answer
    x = 168,633.96

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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.