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Finding the Fourth Proportional to 269,794.96, 372,290.49 and 148,928.44

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Solution

The fourth proportional to 269,794.96, 372,290.49 and 148,928.44 is: 205,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.96 : 372,290.49 = 148,928.44 : x
  2. Step 2: Convert to fraction form
    269,794.96/372,290.49 = 148,928.44/x
  3. Step 3: Cross multiply
    269,794.96x = 372,290.49 × 148,928.44
  4. Step 4: Simplify right side
    269,794.96x = 55,444,641,902.54
  5. Step 5: Solve for x
    x = 55,444,641,902.54/269,794.96
  6. Step 6: Final answer
    x = 205,506.59

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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.