Finding the Fourth Proportional to 125,557.09, 173,270.05 and 68,196.96
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Solution
The fourth proportional to 125,557.09, 173,270.05 and 68,196.96 is: 94,112.50
Step by Step Solution
- Step 1: Write the proportion equation
125,557.09 : 173,270.05 = 68,196.96 : x - Step 2: Convert to fraction form
125,557.09/173,270.05 = 68,196.96/x - Step 3: Cross multiply
125,557.09x = 173,270.05 × 68,196.96 - Step 4: Simplify right side
125,557.09x = 11,816,490,669.05 - Step 5: Solve for x
x = 11,816,490,669.05/125,557.09 - Step 6: Final answer
x = 94,112.50
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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.