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Finding the Fourth Proportional to 168,031.92, 231,884.76 and 92,580.42

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Solution

The fourth proportional to 168,031.92, 231,884.76 and 92,580.42 is: 127,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.92 : 231,884.76 = 92,580.42 : x
  2. Step 2: Convert to fraction form
    168,031.92/231,884.76 = 92,580.42/x
  3. Step 3: Cross multiply
    168,031.92x = 231,884.76 × 92,580.42
  4. Step 4: Simplify right side
    168,031.92x = 21,467,988,472.40
  5. Step 5: Solve for x
    x = 21,467,988,472.40/168,031.92
  6. Step 6: Final answer
    x = 127,761.37

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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.