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Finding the Fourth Proportional to 195,467.88, 269,578.98 and 150,255.40

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Solution

The fourth proportional to 195,467.88, 269,578.98 and 150,255.40 is: 207,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,467.88 : 269,578.98 = 150,255.40 : x
  2. Step 2: Convert to fraction form
    195,467.88/269,578.98 = 150,255.40/x
  3. Step 3: Cross multiply
    195,467.88x = 269,578.98 × 150,255.40
  4. Step 4: Simplify right side
    195,467.88x = 40,505,697,471.49
  5. Step 5: Solve for x
    x = 40,505,697,471.49/195,467.88
  6. Step 6: Final answer
    x = 207,224.31

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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.