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Finding the Fourth Proportional to 140,477.60, 210,910.80 and 110,928.80

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Solution

The fourth proportional to 140,477.60, 210,910.80 and 110,928.80 is: 166,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,477.60 : 210,910.80 = 110,928.80 : x
  2. Step 2: Convert to fraction form
    140,477.60/210,910.80 = 110,928.80/x
  3. Step 3: Cross multiply
    140,477.60x = 210,910.80 × 110,928.80
  4. Step 4: Simplify right side
    140,477.60x = 23,396,081,951.04
  5. Step 5: Solve for x
    x = 23,396,081,951.04/140,477.60
  6. Step 6: Final answer
    x = 166,546.71

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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.