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Finding the Fourth Proportional to 203,453.88, 280,589.54 and 160,937.88

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Solution

The fourth proportional to 203,453.88, 280,589.54 and 160,937.88 is: 221,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,453.88 : 280,589.54 = 160,937.88 : x
  2. Step 2: Convert to fraction form
    203,453.88/280,589.54 = 160,937.88/x
  3. Step 3: Cross multiply
    203,453.88x = 280,589.54 × 160,937.88
  4. Step 4: Simplify right side
    203,453.88x = 45,157,485,717.78
  5. Step 5: Solve for x
    x = 45,157,485,717.78/203,453.88
  6. Step 6: Final answer
    x = 221,954.41

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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.