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Finding the Fourth Proportional to 269,955.73, 372,531.78 and 149,094.43

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Solution

The fourth proportional to 269,955.73, 372,531.78 and 149,094.43 is: 205,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,955.73 : 372,531.78 = 149,094.43 : x
  2. Step 2: Convert to fraction form
    269,955.73/372,531.78 = 149,094.43/x
  3. Step 3: Cross multiply
    269,955.73x = 372,531.78 × 149,094.43
  4. Step 4: Simplify right side
    269,955.73x = 55,542,413,395.99
  5. Step 5: Solve for x
    x = 55,542,413,395.99/269,955.73
  6. Step 6: Final answer
    x = 205,746.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.