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Finding the Fourth Proportional to 79,812.87, 110,139.67 and 44,002.25

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Solution

The fourth proportional to 79,812.87, 110,139.67 and 44,002.25 is: 60,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.87 : 110,139.67 = 44,002.25 : x
  2. Step 2: Convert to fraction form
    79,812.87/110,139.67 = 44,002.25/x
  3. Step 3: Cross multiply
    79,812.87x = 110,139.67 × 44,002.25
  4. Step 4: Simplify right side
    79,812.87x = 4,846,393,294.26
  5. Step 5: Solve for x
    x = 4,846,393,294.26/79,812.87
  6. Step 6: Final answer
    x = 60,721.95

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1.5x scale

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.