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Finding the Fourth Proportional to 201,093.93, 301,641.81 and 67,974.90

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Solution

The fourth proportional to 201,093.93, 301,641.81 and 67,974.90 is: 101,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,093.93 : 301,641.81 = 67,974.90 : x
  2. Step 2: Convert to fraction form
    201,093.93/301,641.81 = 67,974.90/x
  3. Step 3: Cross multiply
    201,093.93x = 301,641.81 × 67,974.90
  4. Step 4: Simplify right side
    201,093.93x = 20,504,071,870.57
  5. Step 5: Solve for x
    x = 20,504,071,870.57/201,093.93
  6. Step 6: Final answer
    x = 101,962.66

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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.