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Finding the Fourth Proportional to 192,040.40, 287,817.60 and 73,553.60

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Solution

The fourth proportional to 192,040.40, 287,817.60 and 73,553.60 is: 110,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.40 : 287,817.60 = 73,553.60 : x
  2. Step 2: Convert to fraction form
    192,040.40/287,817.60 = 73,553.60/x
  3. Step 3: Cross multiply
    192,040.40x = 287,817.60 × 73,553.60
  4. Step 4: Simplify right side
    192,040.40x = 21,170,020,623.36
  5. Step 5: Solve for x
    x = 21,170,020,623.36/192,040.40
  6. Step 6: Final answer
    x = 110,237.33

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Why These Related Problems?

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