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Finding the Fourth Proportional to 269,666.33, 404,311.89 and 136,455.47

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Solution

The fourth proportional to 269,666.33, 404,311.89 and 136,455.47 is: 204,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,666.33 : 404,311.89 = 136,455.47 : x
  2. Step 2: Convert to fraction form
    269,666.33/404,311.89 = 136,455.47/x
  3. Step 3: Cross multiply
    269,666.33x = 404,311.89 × 136,455.47
  4. Step 4: Simplify right side
    269,666.33x = 55,170,569,633.15
  5. Step 5: Solve for x
    x = 55,170,569,633.15/269,666.33
  6. Step 6: Final answer
    x = 204,588.28

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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.