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Finding the Fourth Proportional to 220,382.75, 304,253.09 and 168,602.43

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Solution

The fourth proportional to 220,382.75, 304,253.09 and 168,602.43 is: 232,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,382.75 : 304,253.09 = 168,602.43 : x
  2. Step 2: Convert to fraction form
    220,382.75/304,253.09 = 168,602.43/x
  3. Step 3: Cross multiply
    220,382.75x = 304,253.09 × 168,602.43
  4. Step 4: Simplify right side
    220,382.75x = 51,297,809,466.00
  5. Step 5: Solve for x
    x = 51,297,809,466.00/220,382.75
  6. Step 6: Final answer
    x = 232,766.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.