Finding the Fourth Proportional to 111,768.18, 154,236.99 and 61,467.18
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Solution
The fourth proportional to 111,768.18, 154,236.99 and 61,467.18 is: 84,823.00
Step by Step Solution
- Step 1: Write the proportion equation
111,768.18 : 154,236.99 = 61,467.18 : x - Step 2: Convert to fraction form
111,768.18/154,236.99 = 61,467.18/x - Step 3: Cross multiply
111,768.18x = 154,236.99 × 61,467.18 - Step 4: Simplify right side
111,768.18x = 9,480,512,826.99 - Step 5: Solve for x
x = 9,480,512,826.99/111,768.18 - Step 6: Final answer
x = 84,823.00
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1.5x scale
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.