Finding the Fourth Proportional to 226,416, 339,675.84 and 78,672
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Solution
The fourth proportional to 226,416, 339,675.84 and 78,672 is: 118,026.01
Step by Step Solution
- Step 1: Write the proportion equation
226,416 : 339,675.84 = 78,672 : x - Step 2: Convert to fraction form
226,416/339,675.84 = 78,672/x - Step 3: Cross multiply
226,416x = 339,675.84 × 78,672 - Step 4: Simplify right side
226,416x = 26,722,977,684.48 - Step 5: Solve for x
x = 26,722,977,684.48/226,416 - Step 6: Final answer
x = 118,026.01
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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.