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Finding the Fourth Proportional to 79,812.69, 110,136.47 and 44,002.95

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Solution

The fourth proportional to 79,812.69, 110,136.47 and 44,002.95 is: 60,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.69 : 110,136.47 = 44,002.95 : x
  2. Step 2: Convert to fraction form
    79,812.69/110,136.47 = 44,002.95/x
  3. Step 3: Cross multiply
    79,812.69x = 110,136.47 × 44,002.95
  4. Step 4: Simplify right side
    79,812.69x = 4,846,329,362.57
  5. Step 5: Solve for x
    x = 4,846,329,362.57/79,812.69
  6. Step 6: Final answer
    x = 60,721.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.