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Finding the Fourth Proportional to 109,239.91, 150,755.11 and 60,843.62

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Solution

The fourth proportional to 109,239.91, 150,755.11 and 60,843.62 is: 83,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.91 : 150,755.11 = 60,843.62 : x
  2. Step 2: Convert to fraction form
    109,239.91/150,755.11 = 60,843.62/x
  3. Step 3: Cross multiply
    109,239.91x = 150,755.11 × 60,843.62
  4. Step 4: Simplify right side
    109,239.91x = 9,172,486,850.68
  5. Step 5: Solve for x
    x = 9,172,486,850.68/109,239.91
  6. Step 6: Final answer
    x = 83,966.45

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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.