Finding the Fourth Proportional to 179,543.95, 269,233.12 and 53,138.99
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Solution
The fourth proportional to 179,543.95, 269,233.12 and 53,138.99 is: 79,683.98
Step by Step Solution
- Step 1: Write the proportion equation
179,543.95 : 269,233.12 = 53,138.99 : x - Step 2: Convert to fraction form
179,543.95/269,233.12 = 53,138.99/x - Step 3: Cross multiply
179,543.95x = 269,233.12 × 53,138.99 - Step 4: Simplify right side
179,543.95x = 14,306,776,810.86 - Step 5: Solve for x
x = 14,306,776,810.86/179,543.95 - Step 6: Final answer
x = 79,683.98
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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.