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Finding the Fourth Proportional to 199,616.20, 275,469.78 and 110,192.20

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Solution

The fourth proportional to 199,616.20, 275,469.78 and 110,192.20 is: 152,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,616.20 : 275,469.78 = 110,192.20 : x
  2. Step 2: Convert to fraction form
    199,616.20/275,469.78 = 110,192.20/x
  3. Step 3: Cross multiply
    199,616.20x = 275,469.78 × 110,192.20
  4. Step 4: Simplify right side
    199,616.20x = 30,354,621,091.72
  5. Step 5: Solve for x
    x = 30,354,621,091.72/199,616.20
  6. Step 6: Final answer
    x = 152,064.92

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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.