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Finding the Fourth Proportional to 269,447.54, 404,171.28 and 151,128.11

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Solution

The fourth proportional to 269,447.54, 404,171.28 and 151,128.11 is: 226,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,447.54 : 404,171.28 = 151,128.11 : x
  2. Step 2: Convert to fraction form
    269,447.54/404,171.28 = 151,128.11/x
  3. Step 3: Cross multiply
    269,447.54x = 404,171.28 × 151,128.11
  4. Step 4: Simplify right side
    269,447.54x = 61,081,639,641.82
  5. Step 5: Solve for x
    x = 61,081,639,641.82/269,447.54
  6. Step 6: Final answer
    x = 226,692.14

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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.