Finding the Fourth Proportional to 121,548.58, 167,745.45 and 67,844.08
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Solution
The fourth proportional to 121,548.58, 167,745.45 and 67,844.08 is: 93,629.52
Step by Step Solution
- Step 1: Write the proportion equation
121,548.58 : 167,745.45 = 67,844.08 : x - Step 2: Convert to fraction form
121,548.58/167,745.45 = 67,844.08/x - Step 3: Cross multiply
121,548.58x = 167,745.45 × 67,844.08 - Step 4: Simplify right side
121,548.58x = 11,380,535,729.44 - Step 5: Solve for x
x = 11,380,535,729.44/121,548.58 - Step 6: Final answer
x = 93,629.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.