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Finding the Fourth Proportional to 109,161.98, 150,625.98 and 60,755.47

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Solution

The fourth proportional to 109,161.98, 150,625.98 and 60,755.47 is: 83,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,161.98 : 150,625.98 = 60,755.47 : x
  2. Step 2: Convert to fraction form
    109,161.98/150,625.98 = 60,755.47/x
  3. Step 3: Cross multiply
    109,161.98x = 150,625.98 × 60,755.47
  4. Step 4: Simplify right side
    109,161.98x = 9,151,351,832.55
  5. Step 5: Solve for x
    x = 9,151,351,832.55/109,161.98
  6. Step 6: Final answer
    x = 83,832.78

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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.