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Finding the Fourth Proportional to 168,049.50, 231,913.17 and 92,602.86

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Solution

The fourth proportional to 168,049.50, 231,913.17 and 92,602.86 is: 127,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.50 : 231,913.17 = 92,602.86 : x
  2. Step 2: Convert to fraction form
    168,049.50/231,913.17 = 92,602.86/x
  3. Step 3: Cross multiply
    168,049.50x = 231,913.17 × 92,602.86
  4. Step 4: Simplify right side
    168,049.50x = 21,475,822,813.67
  5. Step 5: Solve for x
    x = 21,475,822,813.67/168,049.50
  6. Step 6: Final answer
    x = 127,794.62

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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.