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Finding the Fourth Proportional to 269,576.76, 371,949.05 and 177,685.86

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Solution

The fourth proportional to 269,576.76, 371,949.05 and 177,685.86 is: 245,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576.76 : 371,949.05 = 177,685.86 : x
  2. Step 2: Convert to fraction form
    269,576.76/371,949.05 = 177,685.86/x
  3. Step 3: Cross multiply
    269,576.76x = 371,949.05 × 177,685.86
  4. Step 4: Simplify right side
    269,576.76x = 66,090,086,825.43
  5. Step 5: Solve for x
    x = 66,090,086,825.43/269,576.76
  6. Step 6: Final answer
    x = 245,162.41

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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.