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Finding the Fourth Proportional to 79,723.69, 119,600.24 and 32,980.21

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Solution

The fourth proportional to 79,723.69, 119,600.24 and 32,980.21 is: 49,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.69 : 119,600.24 = 32,980.21 : x
  2. Step 2: Convert to fraction form
    79,723.69/119,600.24 = 32,980.21/x
  3. Step 3: Cross multiply
    79,723.69x = 119,600.24 × 32,980.21
  4. Step 4: Simplify right side
    79,723.69x = 3,944,440,567.35
  5. Step 5: Solve for x
    x = 3,944,440,567.35/79,723.69
  6. Step 6: Final answer
    x = 49,476.39

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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.