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Finding the Fourth Proportional to 201,072.72, 301,652.48 and 67,950.03

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Solution

The fourth proportional to 201,072.72, 301,652.48 and 67,950.03 is: 101,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,072.72 : 301,652.48 = 67,950.03 : x
  2. Step 2: Convert to fraction form
    201,072.72/301,652.48 = 67,950.03/x
  3. Step 3: Cross multiply
    201,072.72x = 301,652.48 × 67,950.03
  4. Step 4: Simplify right side
    201,072.72x = 20,497,296,366.65
  5. Step 5: Solve for x
    x = 20,497,296,366.65/201,072.72
  6. Step 6: Final answer
    x = 101,939.72

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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.