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Finding the Fourth Proportional to 201,993.09, 302,918.79 and 110,790.18

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Solution

The fourth proportional to 201,993.09, 302,918.79 and 110,790.18 is: 166,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,993.09 : 302,918.79 = 110,790.18 : x
  2. Step 2: Convert to fraction form
    201,993.09/302,918.79 = 110,790.18/x
  3. Step 3: Cross multiply
    201,993.09x = 302,918.79 × 110,790.18
  4. Step 4: Simplify right side
    201,993.09x = 33,560,427,269.48
  5. Step 5: Solve for x
    x = 33,560,427,269.48/201,993.09
  6. Step 6: Final answer
    x = 166,146.41

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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.