Finding the Fourth Proportional to 137,701.13, 206,551.70 and 44,272.49
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Solution
The fourth proportional to 137,701.13, 206,551.70 and 44,272.49 is: 66,408.74
Step by Step Solution
- Step 1: Write the proportion equation
137,701.13 : 206,551.70 = 44,272.49 : x - Step 2: Convert to fraction form
137,701.13/206,551.70 = 44,272.49/x - Step 3: Cross multiply
137,701.13x = 206,551.70 × 44,272.49 - Step 4: Simplify right side
137,701.13x = 9,144,557,851.37 - Step 5: Solve for x
x = 9,144,557,851.37/137,701.13 - Step 6: Final answer
x = 66,408.74
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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.