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Finding the Fourth Proportional to 254,085.92, 350,626.56 and 140,906.24

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Solution

The fourth proportional to 254,085.92, 350,626.56 and 140,906.24 is: 194,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,085.92 : 350,626.56 = 140,906.24 : x
  2. Step 2: Convert to fraction form
    254,085.92/350,626.56 = 140,906.24/x
  3. Step 3: Cross multiply
    254,085.92x = 350,626.56 × 140,906.24
  4. Step 4: Simplify right side
    254,085.92x = 49,405,470,213.73
  5. Step 5: Solve for x
    x = 49,405,470,213.73/254,085.92
  6. Step 6: Final answer
    x = 194,443.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.