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Finding the Fourth Proportional to 201,073.72, 301,653.98 and 67,951.03

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Solution

The fourth proportional to 201,073.72, 301,653.98 and 67,951.03 is: 101,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,073.72 : 301,653.98 = 67,951.03 : x
  2. Step 2: Convert to fraction form
    201,073.72/301,653.98 = 67,951.03/x
  3. Step 3: Cross multiply
    201,073.72x = 301,653.98 × 67,951.03
  4. Step 4: Simplify right side
    201,073.72x = 20,497,698,644.60
  5. Step 5: Solve for x
    x = 20,497,698,644.60/201,073.72
  6. Step 6: Final answer
    x = 101,941.21

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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.