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Finding the Fourth Proportional to 203,696.40, 305,562.38 and 83,760.66

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Solution

The fourth proportional to 203,696.40, 305,562.38 and 83,760.66 is: 125,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,696.40 : 305,562.38 = 83,760.66 : x
  2. Step 2: Convert to fraction form
    203,696.40/305,562.38 = 83,760.66/x
  3. Step 3: Cross multiply
    203,696.40x = 305,562.38 × 83,760.66
  4. Step 4: Simplify right side
    203,696.40x = 25,594,106,619.97
  5. Step 5: Solve for x
    x = 25,594,106,619.97/203,696.40
  6. Step 6: Final answer
    x = 125,648.30

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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.