Finding the Fourth Proportional to 126,523.08, 174,586.86 and 69,924.60
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Solution
The fourth proportional to 126,523.08, 174,586.86 and 69,924.60 is: 96,487.66
Step by Step Solution
- Step 1: Write the proportion equation
126,523.08 : 174,586.86 = 69,924.60 : x - Step 2: Convert to fraction form
126,523.08/174,586.86 = 69,924.60/x - Step 3: Cross multiply
126,523.08x = 174,586.86 × 69,924.60 - Step 4: Simplify right side
126,523.08x = 12,207,916,350.76 - Step 5: Solve for x
x = 12,207,916,350.76/126,523.08 - Step 6: Final answer
x = 96,487.66
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1.5x scale
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.