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Finding the Fourth Proportional to 201,022.02, 301,504.95 and 67,885.02

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Solution

The fourth proportional to 201,022.02, 301,504.95 and 67,885.02 is: 101,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,022.02 : 301,504.95 = 67,885.02 : x
  2. Step 2: Convert to fraction form
    201,022.02/301,504.95 = 67,885.02/x
  3. Step 3: Cross multiply
    201,022.02x = 301,504.95 × 67,885.02
  4. Step 4: Simplify right side
    201,022.02x = 20,467,669,560.85
  5. Step 5: Solve for x
    x = 20,467,669,560.85/201,022.02
  6. Step 6: Final answer
    x = 101,818.05

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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.