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Finding the Fourth Proportional to 79,769.61, 119,676.65 and 34,794.98

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Solution

The fourth proportional to 79,769.61, 119,676.65 and 34,794.98 is: 52,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,769.61 : 119,676.65 = 34,794.98 : x
  2. Step 2: Convert to fraction form
    79,769.61/119,676.65 = 34,794.98/x
  3. Step 3: Cross multiply
    79,769.61x = 119,676.65 × 34,794.98
  4. Step 4: Simplify right side
    79,769.61x = 4,164,146,732.59
  5. Step 5: Solve for x
    x = 4,164,146,732.59/79,769.61
  6. Step 6: Final answer
    x = 52,202.17

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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.