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Finding the Fourth Proportional to 269,575.76, 371,947.67 and 177,684.86

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Solution

The fourth proportional to 269,575.76, 371,947.67 and 177,684.86 is: 245,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,575.76 : 371,947.67 = 177,684.86 : x
  2. Step 2: Convert to fraction form
    269,575.76/371,947.67 = 177,684.86/x
  3. Step 3: Cross multiply
    269,575.76x = 371,947.67 × 177,684.86
  4. Step 4: Simplify right side
    269,575.76x = 66,089,469,671.28
  5. Step 5: Solve for x
    x = 66,089,469,671.28/269,575.76
  6. Step 6: Final answer
    x = 245,161.03

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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.