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Finding the Fourth Proportional to 104,879.75, 157,318.07 and 25,993.44

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Solution

The fourth proportional to 104,879.75, 157,318.07 and 25,993.44 is: 38,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,879.75 : 157,318.07 = 25,993.44 : x
  2. Step 2: Convert to fraction form
    104,879.75/157,318.07 = 25,993.44/x
  3. Step 3: Cross multiply
    104,879.75x = 157,318.07 × 25,993.44
  4. Step 4: Simplify right side
    104,879.75x = 4,089,237,683.49
  5. Step 5: Solve for x
    x = 4,089,237,683.49/104,879.75
  6. Step 6: Final answer
    x = 38,989.78

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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.