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Finding the Fourth Proportional to 153,910.20, 230,865.30 and 150,629.70

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Solution

The fourth proportional to 153,910.20, 230,865.30 and 150,629.70 is: 225,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,910.20 : 230,865.30 = 150,629.70 : x
  2. Step 2: Convert to fraction form
    153,910.20/230,865.30 = 150,629.70/x
  3. Step 3: Cross multiply
    153,910.20x = 230,865.30 × 150,629.70
  4. Step 4: Simplify right side
    153,910.20x = 34,775,170,879.41
  5. Step 5: Solve for x
    x = 34,775,170,879.41/153,910.20
  6. Step 6: Final answer
    x = 225,944.55

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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.