Finding the Fourth Proportional to 112,445.68, 168,668.52 and 29,338.96
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Solution
The fourth proportional to 112,445.68, 168,668.52 and 29,338.96 is: 44,008.44
Step by Step Solution
- Step 1: Write the proportion equation
112,445.68 : 168,668.52 = 29,338.96 : x - Step 2: Convert to fraction form
112,445.68/168,668.52 = 29,338.96/x - Step 3: Cross multiply
112,445.68x = 168,668.52 × 29,338.96 - Step 4: Simplify right side
112,445.68x = 4,948,558,961.54 - Step 5: Solve for x
x = 4,948,558,961.54/112,445.68 - Step 6: Final answer
x = 44,008.44
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1.5x scale
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.