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Finding the Fourth Proportional to 201,018.36, 301,560.30 and 67,906.56

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Solution

The fourth proportional to 201,018.36, 301,560.30 and 67,906.56 is: 101,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018.36 : 301,560.30 = 67,906.56 : x
  2. Step 2: Convert to fraction form
    201,018.36/301,560.30 = 67,906.56/x
  3. Step 3: Cross multiply
    201,018.36x = 301,560.30 × 67,906.56
  4. Step 4: Simplify right side
    201,018.36x = 20,477,922,605.57
  5. Step 5: Solve for x
    x = 20,477,922,605.57/201,018.36
  6. Step 6: Final answer
    x = 101,870.91

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1.5x scale

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.