Finding the Fourth Proportional to 124,481.22, 186,554.40 and 68,236.98
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Solution
The fourth proportional to 124,481.22, 186,554.40 and 68,236.98 is: 102,263.69
Step by Step Solution
- Step 1: Write the proportion equation
124,481.22 : 186,554.40 = 68,236.98 : x - Step 2: Convert to fraction form
124,481.22/186,554.40 = 68,236.98/x - Step 3: Cross multiply
124,481.22x = 186,554.40 × 68,236.98 - Step 4: Simplify right side
124,481.22x = 12,729,908,861.71 - Step 5: Solve for x
x = 12,729,908,861.71/124,481.22 - Step 6: Final answer
x = 102,263.69
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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.