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Finding the Fourth Proportional to 199,456.66, 275,244.72 and 108,812.60

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Solution

The fourth proportional to 199,456.66, 275,244.72 and 108,812.60 is: 150,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,456.66 : 275,244.72 = 108,812.60 : x
  2. Step 2: Convert to fraction form
    199,456.66/275,244.72 = 108,812.60/x
  3. Step 3: Cross multiply
    199,456.66x = 275,244.72 × 108,812.60
  4. Step 4: Simplify right side
    199,456.66x = 29,950,093,785.48
  5. Step 5: Solve for x
    x = 29,950,093,785.48/199,456.66
  6. Step 6: Final answer
    x = 150,158.41

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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.