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Finding the Fourth Proportional to 197,996.70, 297,142.66 and 79,669.04

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Solution

The fourth proportional to 197,996.70, 297,142.66 and 79,669.04 is: 119,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,996.70 : 297,142.66 = 79,669.04 : x
  2. Step 2: Convert to fraction form
    197,996.70/297,142.66 = 79,669.04/x
  3. Step 3: Cross multiply
    197,996.70x = 297,142.66 × 79,669.04
  4. Step 4: Simplify right side
    197,996.70x = 23,673,070,465.25
  5. Step 5: Solve for x
    x = 23,673,070,465.25/197,996.70
  6. Step 6: Final answer
    x = 119,562.95

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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.