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Finding the Fourth Proportional to 183,936.40, 275,839.80 and 65,611.60

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Solution

The fourth proportional to 183,936.40, 275,839.80 and 65,611.60 is: 98,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,936.40 : 275,839.80 = 65,611.60 : x
  2. Step 2: Convert to fraction form
    183,936.40/275,839.80 = 65,611.60/x
  3. Step 3: Cross multiply
    183,936.40x = 275,839.80 × 65,611.60
  4. Step 4: Simplify right side
    183,936.40x = 18,098,290,621.68
  5. Step 5: Solve for x
    x = 18,098,290,621.68/183,936.40
  6. Step 6: Final answer
    x = 98,394.29

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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.