Finding the Fourth Proportional to 126,808.58, 174,995.56 and 73,093.23
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Solution
The fourth proportional to 126,808.58, 174,995.56 and 73,093.23 is: 100,868.50
Step by Step Solution
- Step 1: Write the proportion equation
126,808.58 : 174,995.56 = 73,093.23 : x - Step 2: Convert to fraction form
126,808.58/174,995.56 = 73,093.23/x - Step 3: Cross multiply
126,808.58x = 174,995.56 × 73,093.23 - Step 4: Simplify right side
126,808.58x = 12,790,990,716.06 - Step 5: Solve for x
x = 12,790,990,716.06/126,808.58 - Step 6: Final answer
x = 100,868.50
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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.