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Finding the Fourth Proportional to 179,761.20, 269,706.60 and 173,281.20

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Solution

The fourth proportional to 179,761.20, 269,706.60 and 173,281.20 is: 259,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,761.20 : 269,706.60 = 173,281.20 : x
  2. Step 2: Convert to fraction form
    179,761.20/269,706.60 = 173,281.20/x
  3. Step 3: Cross multiply
    179,761.20x = 269,706.60 × 173,281.20
  4. Step 4: Simplify right side
    179,761.20x = 46,735,083,295.92
  5. Step 5: Solve for x
    x = 46,735,083,295.92/179,761.20
  6. Step 6: Final answer
    x = 259,984.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.