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Finding the Fourth Proportional to 201,362.77, 301,855.51 and 68,149.76

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Solution

The fourth proportional to 201,362.77, 301,855.51 and 68,149.76 is: 102,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.77 : 301,855.51 = 68,149.76 : x
  2. Step 2: Convert to fraction form
    201,362.77/301,855.51 = 68,149.76/x
  3. Step 3: Cross multiply
    201,362.77x = 301,855.51 × 68,149.76
  4. Step 4: Simplify right side
    201,362.77x = 20,571,380,220.43
  5. Step 5: Solve for x
    x = 20,571,380,220.43/201,362.77
  6. Step 6: Final answer
    x = 102,160.80

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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.