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Finding the Fourth Proportional to 179,825.80, 269,522.70 and 74,590.60

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Solution

The fourth proportional to 179,825.80, 269,522.70 and 74,590.60 is: 111,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,825.80 : 269,522.70 = 74,590.60 : x
  2. Step 2: Convert to fraction form
    179,825.80/269,522.70 = 74,590.60/x
  3. Step 3: Cross multiply
    179,825.80x = 269,522.70 × 74,590.60
  4. Step 4: Simplify right side
    179,825.80x = 20,103,859,906.62
  5. Step 5: Solve for x
    x = 20,103,859,906.62/179,825.80
  6. Step 6: Final answer
    x = 111,796.30

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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.