Finding the Fourth Proportional to 301,989.04, 416,734.25 and 166,021.99
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Solution
The fourth proportional to 301,989.04, 416,734.25 and 166,021.99 is: 229,104.51
Step by Step Solution
- Step 1: Write the proportion equation
301,989.04 : 416,734.25 = 166,021.99 : x - Step 2: Convert to fraction form
301,989.04/416,734.25 = 166,021.99/x - Step 3: Cross multiply
301,989.04x = 416,734.25 × 166,021.99 - Step 4: Simplify right side
301,989.04x = 69,187,050,892.22 - Step 5: Solve for x
x = 69,187,050,892.22/301,989.04 - Step 6: Final answer
x = 229,104.51
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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.