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Finding the Fourth Proportional to 255,912.44, 383,081.34 and 166,974.44

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Solution

The fourth proportional to 255,912.44, 383,081.34 and 166,974.44 is: 249,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,912.44 : 383,081.34 = 166,974.44 : x
  2. Step 2: Convert to fraction form
    255,912.44/383,081.34 = 166,974.44/x
  3. Step 3: Cross multiply
    255,912.44x = 383,081.34 × 166,974.44
  4. Step 4: Simplify right side
    255,912.44x = 63,964,792,220.95
  5. Step 5: Solve for x
    x = 63,964,792,220.95/255,912.44
  6. Step 6: Final answer
    x = 249,947.96

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1.5x scale

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.