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Finding the Fourth Proportional to 206,625.52, 285,173.22 and 116,018.92

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Solution

The fourth proportional to 206,625.52, 285,173.22 and 116,018.92 is: 160,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625.52 : 285,173.22 = 116,018.92 : x
  2. Step 2: Convert to fraction form
    206,625.52/285,173.22 = 116,018.92/x
  3. Step 3: Cross multiply
    206,625.52x = 285,173.22 × 116,018.92
  4. Step 4: Simplify right side
    206,625.52x = 33,085,488,997.32
  5. Step 5: Solve for x
    x = 33,085,488,997.32/206,625.52
  6. Step 6: Final answer
    x = 160,122.96

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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.