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Finding the Fourth Proportional to 79,769.70, 119,654.55 and 37,635.93

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Solution

The fourth proportional to 79,769.70, 119,654.55 and 37,635.93 is: 56,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,769.70 : 119,654.55 = 37,635.93 : x
  2. Step 2: Convert to fraction form
    79,769.70/119,654.55 = 37,635.93/x
  3. Step 3: Cross multiply
    79,769.70x = 119,654.55 × 37,635.93
  4. Step 4: Simplify right side
    79,769.70x = 4,503,310,267.98
  5. Step 5: Solve for x
    x = 4,503,310,267.98/79,769.70
  6. Step 6: Final answer
    x = 56,453.90

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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.