Finding the Fourth Proportional to 124,433.70, 186,650.55 and 41,327.70
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Solution
The fourth proportional to 124,433.70, 186,650.55 and 41,327.70 is: 61,991.55
Step by Step Solution
- Step 1: Write the proportion equation
124,433.70 : 186,650.55 = 41,327.70 : x - Step 2: Convert to fraction form
124,433.70/186,650.55 = 41,327.70/x - Step 3: Cross multiply
124,433.70x = 186,650.55 × 41,327.70 - Step 4: Simplify right side
124,433.70x = 7,713,837,935.24 - Step 5: Solve for x
x = 7,713,837,935.24/124,433.70 - Step 6: Final answer
x = 61,991.55
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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.