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Finding the Fourth Proportional to 220,204.49, 330,297.62 and 70,453.31

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Solution

The fourth proportional to 220,204.49, 330,297.62 and 70,453.31 is: 105,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,204.49 : 330,297.62 = 70,453.31 : x
  2. Step 2: Convert to fraction form
    220,204.49/330,297.62 = 70,453.31/x
  3. Step 3: Cross multiply
    220,204.49x = 330,297.62 × 70,453.31
  4. Step 4: Simplify right side
    220,204.49x = 23,270,558,610.37
  5. Step 5: Solve for x
    x = 23,270,558,610.37/220,204.49
  6. Step 6: Final answer
    x = 105,677.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.