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Finding the Fourth Proportional to 269,353.41, 404,149.14 and 141,239.11

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Solution

The fourth proportional to 269,353.41, 404,149.14 and 141,239.11 is: 211,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,353.41 : 404,149.14 = 141,239.11 : x
  2. Step 2: Convert to fraction form
    269,353.41/404,149.14 = 141,239.11/x
  3. Step 3: Cross multiply
    269,353.41x = 404,149.14 × 141,239.11
  4. Step 4: Simplify right side
    269,353.41x = 57,081,664,840.87
  5. Step 5: Solve for x
    x = 57,081,664,840.87/269,353.41
  6. Step 6: Final answer
    x = 211,921.08

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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.