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Finding the Fourth Proportional to 207,134.73, 285,843.23 and 116,490.68

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Solution

The fourth proportional to 207,134.73, 285,843.23 and 116,490.68 is: 160,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,134.73 : 285,843.23 = 116,490.68 : x
  2. Step 2: Convert to fraction form
    207,134.73/285,843.23 = 116,490.68/x
  3. Step 3: Cross multiply
    207,134.73x = 285,843.23 × 116,490.68
  4. Step 4: Simplify right side
    207,134.73x = 33,298,070,224.43
  5. Step 5: Solve for x
    x = 33,298,070,224.43/207,134.73
  6. Step 6: Final answer
    x = 160,755.61

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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.