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Finding the Fourth Proportional to 227,367, 313,762.21 and 125,401.97

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Solution

The fourth proportional to 227,367, 313,762.21 and 125,401.97 is: 173,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,367 : 313,762.21 = 125,401.97 : x
  2. Step 2: Convert to fraction form
    227,367/313,762.21 = 125,401.97/x
  3. Step 3: Cross multiply
    227,367x = 313,762.21 × 125,401.97
  4. Step 4: Simplify right side
    227,367x = 39,346,399,716.45
  5. Step 5: Solve for x
    x = 39,346,399,716.45/227,367
  6. Step 6: Final answer
    x = 173,052.38

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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.