Finding the Fourth Proportional to 107,295.70, 160,943.55 and 44,959.70
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Solution
The fourth proportional to 107,295.70, 160,943.55 and 44,959.70 is: 67,439.55
Step by Step Solution
- Step 1: Write the proportion equation
107,295.70 : 160,943.55 = 44,959.70 : x - Step 2: Convert to fraction form
107,295.70/160,943.55 = 44,959.70/x - Step 3: Cross multiply
107,295.70x = 160,943.55 × 44,959.70 - Step 4: Simplify right side
107,295.70x = 7,235,973,724.94 - Step 5: Solve for x
x = 7,235,973,724.94/107,295.70 - Step 6: Final answer
x = 67,439.55
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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.