Finding the Fourth Proportional to 163,201.55, 244,625.75 and 68,483.18
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Solution
The fourth proportional to 163,201.55, 244,625.75 and 68,483.18 is: 102,650.68
Step by Step Solution
- Step 1: Write the proportion equation
163,201.55 : 244,625.75 = 68,483.18 : x - Step 2: Convert to fraction form
163,201.55/244,625.75 = 68,483.18/x - Step 3: Cross multiply
163,201.55x = 244,625.75 × 68,483.18 - Step 4: Simplify right side
163,201.55x = 16,752,749,539.03 - Step 5: Solve for x
x = 16,752,749,539.03/163,201.55 - Step 6: Final answer
x = 102,650.68
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1.5x scale
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.