Finding the Fourth Proportional to 166,716.44, 230,068.68 and 91,264.94
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Solution
The fourth proportional to 166,716.44, 230,068.68 and 91,264.94 is: 125,945.61
Step by Step Solution
- Step 1: Write the proportion equation
166,716.44 : 230,068.68 = 91,264.94 : x - Step 2: Convert to fraction form
166,716.44/230,068.68 = 91,264.94/x - Step 3: Cross multiply
166,716.44x = 230,068.68 × 91,264.94 - Step 4: Simplify right side
166,716.44x = 20,997,204,276.08 - Step 5: Solve for x
x = 20,997,204,276.08/166,716.44 - Step 6: Final answer
x = 125,945.61
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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.