Finding the Fourth Proportional to 157,892.24, 217,893.84 and 94,267.28
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Solution
The fourth proportional to 157,892.24, 217,893.84 and 94,267.28 is: 130,090.37
Step by Step Solution
- Step 1: Write the proportion equation
157,892.24 : 217,893.84 = 94,267.28 : x - Step 2: Convert to fraction form
157,892.24/217,893.84 = 94,267.28/x - Step 3: Cross multiply
157,892.24x = 217,893.84 × 94,267.28 - Step 4: Simplify right side
157,892.24x = 20,540,259,625.56 - Step 5: Solve for x
x = 20,540,259,625.56/157,892.24 - Step 6: Final answer
x = 130,090.37
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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.