Finding the Fourth Proportional to 111,101.63, 166,652.44 and 27,995.63
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Solution
The fourth proportional to 111,101.63, 166,652.44 and 27,995.63 is: 41,993.44
Step by Step Solution
- Step 1: Write the proportion equation
111,101.63 : 166,652.44 = 27,995.63 : x - Step 2: Convert to fraction form
111,101.63/166,652.44 = 27,995.63/x - Step 3: Cross multiply
111,101.63x = 166,652.44 × 27,995.63 - Step 4: Simplify right side
111,101.63x = 4,665,539,145.59 - Step 5: Solve for x
x = 4,665,539,145.59/111,101.63 - Step 6: Final answer
x = 41,993.44
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Double scale
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Similar ratio
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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.