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Finding the Fourth Proportional to 168,060.48, 231,928.48 and 92,613.84

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Solution

The fourth proportional to 168,060.48, 231,928.48 and 92,613.84 is: 127,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,060.48 : 231,928.48 = 92,613.84 : x
  2. Step 2: Convert to fraction form
    168,060.48/231,928.48 = 92,613.84/x
  3. Step 3: Cross multiply
    168,060.48x = 231,928.48 × 92,613.84
  4. Step 4: Simplify right side
    168,060.48x = 21,479,787,138.16
  5. Step 5: Solve for x
    x = 21,479,787,138.16/168,060.48
  6. Step 6: Final answer
    x = 127,809.86

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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.