Finding the Fourth Proportional to 121,768.28, 182,630.52 and 55,196
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Solution
The fourth proportional to 121,768.28, 182,630.52 and 55,196 is: 82,784.07
Step by Step Solution
- Step 1: Write the proportion equation
121,768.28 : 182,630.52 = 55,196 : x - Step 2: Convert to fraction form
121,768.28/182,630.52 = 55,196/x - Step 3: Cross multiply
121,768.28x = 182,630.52 × 55,196 - Step 4: Simplify right side
121,768.28x = 10,080,474,181.92 - Step 5: Solve for x
x = 10,080,474,181.92/121,768.28 - Step 6: Final answer
x = 82,784.07
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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.