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Finding the Fourth Proportional to 168,069.78, 231,935.19 and 92,618.34

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Solution

The fourth proportional to 168,069.78, 231,935.19 and 92,618.34 is: 127,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.78 : 231,935.19 = 92,618.34 : x
  2. Step 2: Convert to fraction form
    168,069.78/231,935.19 = 92,618.34/x
  3. Step 3: Cross multiply
    168,069.78x = 231,935.19 × 92,618.34
  4. Step 4: Simplify right side
    168,069.78x = 21,481,452,285.38
  5. Step 5: Solve for x
    x = 21,481,452,285.38/168,069.78
  6. Step 6: Final answer
    x = 127,812.70

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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.