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Finding the Fourth Proportional to 168,033.92, 231,935.70 and 109,898.91

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Solution

The fourth proportional to 168,033.92, 231,935.70 and 109,898.91 is: 151,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,033.92 : 231,935.70 = 109,898.91 : x
  2. Step 2: Convert to fraction form
    168,033.92/231,935.70 = 109,898.91/x
  3. Step 3: Cross multiply
    168,033.92x = 231,935.70 × 109,898.91
  4. Step 4: Simplify right side
    168,033.92x = 25,489,480,620.09
  5. Step 5: Solve for x
    x = 25,489,480,620.09/168,033.92
  6. Step 6: Final answer
    x = 151,692.48

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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.