Finding the Fourth Proportional to 107,466.70, 160,981.35 and 54,905.80
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Solution
The fourth proportional to 107,466.70, 160,981.35 and 54,905.80 is: 82,246.96
Step by Step Solution
- Step 1: Write the proportion equation
107,466.70 : 160,981.35 = 54,905.80 : x - Step 2: Convert to fraction form
107,466.70/160,981.35 = 54,905.80/x - Step 3: Cross multiply
107,466.70x = 160,981.35 × 54,905.80 - Step 4: Simplify right side
107,466.70x = 8,838,809,806.83 - Step 5: Solve for x
x = 8,838,809,806.83/107,466.70 - Step 6: Final answer
x = 82,246.96
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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.