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Finding the Fourth Proportional to 222,146.46, 306,554.49 and 126,683.88

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Solution

The fourth proportional to 222,146.46, 306,554.49 and 126,683.88 is: 174,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,146.46 : 306,554.49 = 126,683.88 : x
  2. Step 2: Convert to fraction form
    222,146.46/306,554.49 = 126,683.88/x
  3. Step 3: Cross multiply
    222,146.46x = 306,554.49 × 126,683.88
  4. Step 4: Simplify right side
    222,146.46x = 38,835,512,224.62
  5. Step 5: Solve for x
    x = 38,835,512,224.62/222,146.46
  6. Step 6: Final answer
    x = 174,819.41

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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.