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Finding the Fourth Proportional to 226,613.80, 339,671.22 and 93,421

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Solution

The fourth proportional to 226,613.80, 339,671.22 and 93,421 is: 140,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,613.80 : 339,671.22 = 93,421 : x
  2. Step 2: Convert to fraction form
    226,613.80/339,671.22 = 93,421/x
  3. Step 3: Cross multiply
    226,613.80x = 339,671.22 × 93,421
  4. Step 4: Simplify right side
    226,613.80x = 31,732,425,043.62
  5. Step 5: Solve for x
    x = 31,732,425,043.62/226,613.80
  6. Step 6: Final answer
    x = 140,028.65

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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.