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Finding the Fourth Proportional to 195,668.44, 270,025.68 and 109,626.48

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Solution

The fourth proportional to 195,668.44, 270,025.68 and 109,626.48 is: 151,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,668.44 : 270,025.68 = 109,626.48 : x
  2. Step 2: Convert to fraction form
    195,668.44/270,025.68 = 109,626.48/x
  3. Step 3: Cross multiply
    195,668.44x = 270,025.68 × 109,626.48
  4. Step 4: Simplify right side
    195,668.44x = 29,601,964,808.01
  5. Step 5: Solve for x
    x = 29,601,964,808.01/195,668.44
  6. Step 6: Final answer
    x = 151,286.35

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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.