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Finding the Fourth Proportional to 201,300.30, 301,993.38 and 68,175.90

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Solution

The fourth proportional to 201,300.30, 301,993.38 and 68,175.90 is: 102,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,300.30 : 301,993.38 = 68,175.90 : x
  2. Step 2: Convert to fraction form
    201,300.30/301,993.38 = 68,175.90/x
  3. Step 3: Cross multiply
    201,300.30x = 301,993.38 × 68,175.90
  4. Step 4: Simplify right side
    201,300.30x = 20,588,670,475.54
  5. Step 5: Solve for x
    x = 20,588,670,475.54/201,300.30
  6. Step 6: Final answer
    x = 102,278.39

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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.