Finding the Fourth Proportional to 123,108.05, 184,662.08 and 29,613.80
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Solution
The fourth proportional to 123,108.05, 184,662.08 and 29,613.80 is: 44,420.70
Step by Step Solution
- Step 1: Write the proportion equation
123,108.05 : 184,662.08 = 29,613.80 : x - Step 2: Convert to fraction form
123,108.05/184,662.08 = 29,613.80/x - Step 3: Cross multiply
123,108.05x = 184,662.08 × 29,613.80 - Step 4: Simplify right side
123,108.05x = 5,468,546,329.34 - Step 5: Solve for x
x = 5,468,546,329.34/123,108.05 - Step 6: Final answer
x = 44,420.70
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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.