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Finding the Fourth Proportional to 100,197.18, 150,298.20 and 33,639.48

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Solution

The fourth proportional to 100,197.18, 150,298.20 and 33,639.48 is: 50,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,197.18 : 150,298.20 = 33,639.48 : x
  2. Step 2: Convert to fraction form
    100,197.18/150,298.20 = 33,639.48/x
  3. Step 3: Cross multiply
    100,197.18x = 150,298.20 × 33,639.48
  4. Step 4: Simplify right side
    100,197.18x = 5,055,953,292.94
  5. Step 5: Solve for x
    x = 5,055,953,292.94/100,197.18
  6. Step 6: Final answer
    x = 50,460.04

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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.