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Finding the Fourth Proportional to 201,101.68, 301,653.44 and 67,982.65

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Solution

The fourth proportional to 201,101.68, 301,653.44 and 67,982.65 is: 101,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,101.68 : 301,653.44 = 67,982.65 : x
  2. Step 2: Convert to fraction form
    201,101.68/301,653.44 = 67,982.65/x
  3. Step 3: Cross multiply
    201,101.68x = 301,653.44 × 67,982.65
  4. Step 4: Simplify right side
    201,101.68x = 20,507,200,232.82
  5. Step 5: Solve for x
    x = 20,507,200,232.82/201,101.68
  6. Step 6: Final answer
    x = 101,974.29

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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.