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Finding the Fourth Proportional to 269,404.14, 404,137.49 and 89,505.62

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Solution

The fourth proportional to 269,404.14, 404,137.49 and 89,505.62 is: 134,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,404.14 : 404,137.49 = 89,505.62 : x
  2. Step 2: Convert to fraction form
    269,404.14/404,137.49 = 89,505.62/x
  3. Step 3: Cross multiply
    269,404.14x = 404,137.49 × 89,505.62
  4. Step 4: Simplify right side
    269,404.14x = 36,172,575,654.99
  5. Step 5: Solve for x
    x = 36,172,575,654.99/269,404.14
  6. Step 6: Final answer
    x = 134,268.82

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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.