Finding the Fourth Proportional to 114,257.26, 157,676.70 and 65,832.49
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Solution
The fourth proportional to 114,257.26, 157,676.70 and 65,832.49 is: 90,849.80
Step by Step Solution
- Step 1: Write the proportion equation
114,257.26 : 157,676.70 = 65,832.49 : x - Step 2: Convert to fraction form
114,257.26/157,676.70 = 65,832.49/x - Step 3: Cross multiply
114,257.26x = 157,676.70 × 65,832.49 - Step 4: Simplify right side
114,257.26x = 10,380,249,775.98 - Step 5: Solve for x
x = 10,380,249,775.98/114,257.26 - Step 6: Final answer
x = 90,849.80
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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.