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Finding the Fourth Proportional to 201,019.19, 301,563.54 and 67,900.41

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Solution

The fourth proportional to 201,019.19, 301,563.54 and 67,900.41 is: 101,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,019.19 : 301,563.54 = 67,900.41 : x
  2. Step 2: Convert to fraction form
    201,019.19/301,563.54 = 67,900.41/x
  3. Step 3: Cross multiply
    201,019.19x = 301,563.54 × 67,900.41
  4. Step 4: Simplify right side
    201,019.19x = 20,476,288,007.05
  5. Step 5: Solve for x
    x = 20,476,288,007.05/201,019.19
  6. Step 6: Final answer
    x = 101,862.36

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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.