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Finding the Fourth Proportional to 269,564.40, 404,346.60 and 92,012.40

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Solution

The fourth proportional to 269,564.40, 404,346.60 and 92,012.40 is: 138,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,564.40 : 404,346.60 = 92,012.40 : x
  2. Step 2: Convert to fraction form
    269,564.40/404,346.60 = 92,012.40/x
  3. Step 3: Cross multiply
    269,564.40x = 404,346.60 × 92,012.40
  4. Step 4: Simplify right side
    269,564.40x = 37,204,901,097.84
  5. Step 5: Solve for x
    x = 37,204,901,097.84/269,564.40
  6. Step 6: Final answer
    x = 138,018.60

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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.