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Finding the Fourth Proportional to 197,994.69, 297,139.65 and 79,667.04

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Solution

The fourth proportional to 197,994.69, 297,139.65 and 79,667.04 is: 119,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,994.69 : 297,139.65 = 79,667.04 : x
  2. Step 2: Convert to fraction form
    197,994.69/297,139.65 = 79,667.04/x
  3. Step 3: Cross multiply
    197,994.69x = 297,139.65 × 79,667.04
  4. Step 4: Simplify right side
    197,994.69x = 23,672,236,382.14
  5. Step 5: Solve for x
    x = 23,672,236,382.14/197,994.69
  6. Step 6: Final answer
    x = 119,559.96

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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.