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Finding the Fourth Proportional to 199,622.88, 275,467.86 and 108,960.84

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Solution

The fourth proportional to 199,622.88, 275,467.86 and 108,960.84 is: 150,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.88 : 275,467.86 = 108,960.84 : x
  2. Step 2: Convert to fraction form
    199,622.88/275,467.86 = 108,960.84/x
  3. Step 3: Cross multiply
    199,622.88x = 275,467.86 × 108,960.84
  4. Step 4: Simplify right side
    199,622.88x = 30,015,209,418.60
  5. Step 5: Solve for x
    x = 30,015,209,418.60/199,622.88
  6. Step 6: Final answer
    x = 150,359.57

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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.