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Finding the Fourth Proportional to 100,803.75, 150,836.52 and 95,396.46

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Solution

The fourth proportional to 100,803.75, 150,836.52 and 95,396.46 is: 142,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,803.75 : 150,836.52 = 95,396.46 : x
  2. Step 2: Convert to fraction form
    100,803.75/150,836.52 = 95,396.46/x
  3. Step 3: Cross multiply
    100,803.75x = 150,836.52 × 95,396.46
  4. Step 4: Simplify right side
    100,803.75x = 14,389,270,046.72
  5. Step 5: Solve for x
    x = 14,389,270,046.72/100,803.75
  6. Step 6: Final answer
    x = 142,745.38

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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.