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Finding the Fourth Proportional to 79,694.69, 119,486.54 and 35,297.38

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Solution

The fourth proportional to 79,694.69, 119,486.54 and 35,297.38 is: 52,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,694.69 : 119,486.54 = 35,297.38 : x
  2. Step 2: Convert to fraction form
    79,694.69/119,486.54 = 35,297.38/x
  3. Step 3: Cross multiply
    79,694.69x = 119,486.54 × 35,297.38
  4. Step 4: Simplify right side
    79,694.69x = 4,217,561,596.79
  5. Step 5: Solve for x
    x = 4,217,561,596.79/79,694.69
  6. Step 6: Final answer
    x = 52,921.49

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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.