Finding the Fourth Proportional to 112,258.69, 168,410.22 and 41,181.99
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Solution
The fourth proportional to 112,258.69, 168,410.22 and 41,181.99 is: 61,781.12
Step by Step Solution
- Step 1: Write the proportion equation
112,258.69 : 168,410.22 = 41,181.99 : x - Step 2: Convert to fraction form
112,258.69/168,410.22 = 41,181.99/x - Step 3: Cross multiply
112,258.69x = 168,410.22 × 41,181.99 - Step 4: Simplify right side
112,258.69x = 6,935,467,995.94 - Step 5: Solve for x
x = 6,935,467,995.94/112,258.69 - Step 6: Final answer
x = 61,781.12
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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.