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Finding the Fourth Proportional to 203,954.49, 305,900.10 and 104,188.41

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Solution

The fourth proportional to 203,954.49, 305,900.10 and 104,188.41 is: 156,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,954.49 : 305,900.10 = 104,188.41 : x
  2. Step 2: Convert to fraction form
    203,954.49/305,900.10 = 104,188.41/x
  3. Step 3: Cross multiply
    203,954.49x = 305,900.10 × 104,188.41
  4. Step 4: Simplify right side
    203,954.49x = 31,871,245,037.84
  5. Step 5: Solve for x
    x = 31,871,245,037.84/203,954.49
  6. Step 6: Final answer
    x = 156,266.45

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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.