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Finding the Fourth Proportional to 246,408.39, 369,613.80 and 68,930.91

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Solution

The fourth proportional to 246,408.39, 369,613.80 and 68,930.91 is: 103,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,408.39 : 369,613.80 = 68,930.91 : x
  2. Step 2: Convert to fraction form
    246,408.39/369,613.80 = 68,930.91/x
  3. Step 3: Cross multiply
    246,408.39x = 369,613.80 × 68,930.91
  4. Step 4: Simplify right side
    246,408.39x = 25,477,815,582.56
  5. Step 5: Solve for x
    x = 25,477,815,582.56/246,408.39
  6. Step 6: Final answer
    x = 103,396.70

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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.