Finding the Fourth Proportional to 120,933.68, 181,402.35 and 46,057.97
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Solution
The fourth proportional to 120,933.68, 181,402.35 and 46,057.97 is: 69,087.65
Step by Step Solution
- Step 1: Write the proportion equation
120,933.68 : 181,402.35 = 46,057.97 : x - Step 2: Convert to fraction form
120,933.68/181,402.35 = 46,057.97/x - Step 3: Cross multiply
120,933.68x = 181,402.35 × 46,057.97 - Step 4: Simplify right side
120,933.68x = 8,355,023,994.23 - Step 5: Solve for x
x = 8,355,023,994.23/120,933.68 - Step 6: Final answer
x = 69,087.65
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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.