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Finding the Fourth Proportional to 192,028.08, 264,879 and 138,227.88

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Solution

The fourth proportional to 192,028.08, 264,879 and 138,227.88 is: 190,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,028.08 : 264,879 = 138,227.88 : x
  2. Step 2: Convert to fraction form
    192,028.08/264,879 = 138,227.88/x
  3. Step 3: Cross multiply
    192,028.08x = 264,879 × 138,227.88
  4. Step 4: Simplify right side
    192,028.08x = 36,613,662,626.52
  5. Step 5: Solve for x
    x = 36,613,662,626.52/192,028.08
  6. Step 6: Final answer
    x = 190,668.27

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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.