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Finding the Fourth Proportional to 196,098.88, 270,613.92 and 106,674.88

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Solution

The fourth proportional to 196,098.88, 270,613.92 and 106,674.88 is: 147,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,098.88 : 270,613.92 = 106,674.88 : x
  2. Step 2: Convert to fraction form
    196,098.88/270,613.92 = 106,674.88/x
  3. Step 3: Cross multiply
    196,098.88x = 270,613.92 × 106,674.88
  4. Step 4: Simplify right side
    196,098.88x = 28,867,707,442.33
  5. Step 5: Solve for x
    x = 28,867,707,442.33/196,098.88
  6. Step 6: Final answer
    x = 147,209.96

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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.