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Finding the Fourth Proportional to 269,273.97, 403,992.99 and 127,228.32

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Solution

The fourth proportional to 269,273.97, 403,992.99 and 127,228.32 is: 190,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,273.97 : 403,992.99 = 127,228.32 : x
  2. Step 2: Convert to fraction form
    269,273.97/403,992.99 = 127,228.32/x
  3. Step 3: Cross multiply
    269,273.97x = 403,992.99 × 127,228.32
  4. Step 4: Simplify right side
    269,273.97x = 51,399,349,409.48
  5. Step 5: Solve for x
    x = 51,399,349,409.48/269,273.97
  6. Step 6: Final answer
    x = 190,881.24

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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.