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Finding the Fourth Proportional to 192,920.69, 266,217.70 and 106,873.89

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Solution

The fourth proportional to 192,920.69, 266,217.70 and 106,873.89 is: 147,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.69 : 266,217.70 = 106,873.89 : x
  2. Step 2: Convert to fraction form
    192,920.69/266,217.70 = 106,873.89/x
  3. Step 3: Cross multiply
    192,920.69x = 266,217.70 × 106,873.89
  4. Step 4: Simplify right side
    192,920.69x = 28,451,721,185.85
  5. Step 5: Solve for x
    x = 28,451,721,185.85/192,920.69
  6. Step 6: Final answer
    x = 147,478.85

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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.