Finding the Fourth Proportional to 228,880.06, 343,377.21 and 161,543.68
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Solution
The fourth proportional to 228,880.06, 343,377.21 and 161,543.68 is: 242,355.84
Step by Step Solution
- Step 1: Write the proportion equation
228,880.06 : 343,377.21 = 161,543.68 : x - Step 2: Convert to fraction form
228,880.06/343,377.21 = 161,543.68/x - Step 3: Cross multiply
228,880.06x = 343,377.21 × 161,543.68 - Step 4: Simplify right side
228,880.06x = 55,470,418,131.53 - Step 5: Solve for x
x = 55,470,418,131.53/228,880.06 - Step 6: Final answer
x = 242,355.84
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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.