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Finding the Fourth Proportional to 250,625.95, 345,831.94 and 143,202.94

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Solution

The fourth proportional to 250,625.95, 345,831.94 and 143,202.94 is: 197,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,625.95 : 345,831.94 = 143,202.94 : x
  2. Step 2: Convert to fraction form
    250,625.95/345,831.94 = 143,202.94/x
  3. Step 3: Cross multiply
    250,625.95x = 345,831.94 × 143,202.94
  4. Step 4: Simplify right side
    250,625.95x = 49,524,150,553.90
  5. Step 5: Solve for x
    x = 49,524,150,553.90/250,625.95
  6. Step 6: Final answer
    x = 197,601.85

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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.