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Finding the Fourth Proportional to 112,321,224, 168,481,836 and 27,220,680

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Solution

The fourth proportional to 112,321,224, 168,481,836 and 27,220,680 is: 40,831,020

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321,224 : 168,481,836 = 27,220,680 : x
  2. Step 2: Convert to fraction form
    112,321,224/168,481,836 = 27,220,680/x
  3. Step 3: Cross multiply
    112,321,224x = 168,481,836 × 27,220,680
  4. Step 4: Simplify right side
    112,321,224x = 4,586,190,143,568,480
  5. Step 5: Solve for x
    x = 4,586,190,143,568,480/112,321,224
  6. Step 6: Final answer
    x = 40,831,020

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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.