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Finding the Fourth Proportional to 222,997.98, 307,713.15 and 126,211.62

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Solution

The fourth proportional to 222,997.98, 307,713.15 and 126,211.62 is: 174,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,997.98 : 307,713.15 = 126,211.62 : x
  2. Step 2: Convert to fraction form
    222,997.98/307,713.15 = 126,211.62/x
  3. Step 3: Cross multiply
    222,997.98x = 307,713.15 × 126,211.62
  4. Step 4: Simplify right side
    222,997.98x = 38,836,975,156.80
  5. Step 5: Solve for x
    x = 38,836,975,156.80/222,997.98
  6. Step 6: Final answer
    x = 174,158.42

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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.