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Finding the Fourth Proportional to 168,229.34, 232,156.70 and 91,748.56

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Solution

The fourth proportional to 168,229.34, 232,156.70 and 91,748.56 is: 126,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,229.34 : 232,156.70 = 91,748.56 : x
  2. Step 2: Convert to fraction form
    168,229.34/232,156.70 = 91,748.56/x
  3. Step 3: Cross multiply
    168,229.34x = 232,156.70 × 91,748.56
  4. Step 4: Simplify right side
    168,229.34x = 21,300,042,919.35
  5. Step 5: Solve for x
    x = 21,300,042,919.35/168,229.34
  6. Step 6: Final answer
    x = 126,613.13

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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.