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Finding the Fourth Proportional to 222,136.14, 306,471.96 and 126,573.96

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Solution

The fourth proportional to 222,136.14, 306,471.96 and 126,573.96 is: 174,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,136.14 : 306,471.96 = 126,573.96 : x
  2. Step 2: Convert to fraction form
    222,136.14/306,471.96 = 126,573.96/x
  3. Step 3: Cross multiply
    222,136.14x = 306,471.96 × 126,573.96
  4. Step 4: Simplify right side
    222,136.14x = 38,791,369,606.16
  5. Step 5: Solve for x
    x = 38,791,369,606.16/222,136.14
  6. Step 6: Final answer
    x = 174,628.81

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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.