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Finding the Fourth Proportional to 269,804.97, 372,331.41 and 148,946.42

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Solution

The fourth proportional to 269,804.97, 372,331.41 and 148,946.42 is: 205,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804.97 : 372,331.41 = 148,946.42 : x
  2. Step 2: Convert to fraction form
    269,804.97/372,331.41 = 148,946.42/x
  3. Step 3: Cross multiply
    269,804.97x = 372,331.41 × 148,946.42
  4. Step 4: Simplify right side
    269,804.97x = 55,457,431,503.88
  5. Step 5: Solve for x
    x = 55,457,431,503.88/269,804.97
  6. Step 6: Final answer
    x = 205,546.37

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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.