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Finding the Fourth Proportional to 269,958.33, 404,895.87 and 90,046.89

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Solution

The fourth proportional to 269,958.33, 404,895.87 and 90,046.89 is: 135,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,958.33 : 404,895.87 = 90,046.89 : x
  2. Step 2: Convert to fraction form
    269,958.33/404,895.87 = 90,046.89/x
  3. Step 3: Cross multiply
    269,958.33x = 404,895.87 × 90,046.89
  4. Step 4: Simplify right side
    269,958.33x = 36,459,613,867.34
  5. Step 5: Solve for x
    x = 36,459,613,867.34/269,958.33
  6. Step 6: Final answer
    x = 135,056.45

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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.