Finding the Fourth Proportional to 171,778.68, 236,945.52 and 124,102.08
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Solution
The fourth proportional to 171,778.68, 236,945.52 and 124,102.08 is: 171,182.08
Step by Step Solution
- Step 1: Write the proportion equation
171,778.68 : 236,945.52 = 124,102.08 : x - Step 2: Convert to fraction form
171,778.68/236,945.52 = 124,102.08/x - Step 3: Cross multiply
171,778.68x = 236,945.52 × 124,102.08 - Step 4: Simplify right side
171,778.68x = 29,405,431,878.68 - Step 5: Solve for x
x = 29,405,431,878.68/171,778.68 - Step 6: Final answer
x = 171,182.08
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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.