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Finding the Fourth Proportional to 110,816.60, 166,208.70 and 31,922.60

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Solution

The fourth proportional to 110,816.60, 166,208.70 and 31,922.60 is: 47,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,816.60 : 166,208.70 = 31,922.60 : x
  2. Step 2: Convert to fraction form
    110,816.60/166,208.70 = 31,922.60/x
  3. Step 3: Cross multiply
    110,816.60x = 166,208.70 × 31,922.60
  4. Step 4: Simplify right side
    110,816.60x = 5,305,813,846.62
  5. Step 5: Solve for x
    x = 5,305,813,846.62/110,816.60
  6. Step 6: Final answer
    x = 47,879.23

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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.