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Finding the Fourth Proportional to 193,842.20, 290,107.20 and 170,222.60

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Solution

The fourth proportional to 193,842.20, 290,107.20 and 170,222.60 is: 254,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,842.20 : 290,107.20 = 170,222.60 : x
  2. Step 2: Convert to fraction form
    193,842.20/290,107.20 = 170,222.60/x
  3. Step 3: Cross multiply
    193,842.20x = 290,107.20 × 170,222.60
  4. Step 4: Simplify right side
    193,842.20x = 49,382,801,862.72
  5. Step 5: Solve for x
    x = 49,382,801,862.72/193,842.20
  6. Step 6: Final answer
    x = 254,757.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.