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Finding the Fourth Proportional to 197,609.40, 296,469.48 and 79,363.68

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Solution

The fourth proportional to 197,609.40, 296,469.48 and 79,363.68 is: 119,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,609.40 : 296,469.48 = 79,363.68 : x
  2. Step 2: Convert to fraction form
    197,609.40/296,469.48 = 79,363.68/x
  3. Step 3: Cross multiply
    197,609.40x = 296,469.48 × 79,363.68
  4. Step 4: Simplify right side
    197,609.40x = 23,528,908,940.49
  5. Step 5: Solve for x
    x = 23,528,908,940.49/197,609.40
  6. Step 6: Final answer
    x = 119,067.76

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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.