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Finding the Fourth Proportional to 22,149,947.80, 30,934,344.20 and 22,149,947.80

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Solution

The fourth proportional to 22,149,947.80, 30,934,344.20 and 22,149,947.80 is: 30,934,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149,947.80 : 30,934,344.20 = 22,149,947.80 : x
  2. Step 2: Convert to fraction form
    22,149,947.80/30,934,344.20 = 22,149,947.80/x
  3. Step 3: Cross multiply
    22,149,947.80x = 30,934,344.20 × 22,149,947.80
  4. Step 4: Simplify right side
    22,149,947.80x = 685,194,109,257,232.75
  5. Step 5: Solve for x
    x = 685,194,109,257,232.75/22,149,947.80
  6. Step 6: Final answer
    x = 30,934,344.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.