Finding the Fourth Proportional to 163,302.70, 244,982.73 and 74,565.19
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Solution
The fourth proportional to 163,302.70, 244,982.73 and 74,565.19 is: 111,860.88
Step by Step Solution
- Step 1: Write the proportion equation
163,302.70 : 244,982.73 = 74,565.19 : x - Step 2: Convert to fraction form
163,302.70/244,982.73 = 74,565.19/x - Step 3: Cross multiply
163,302.70x = 244,982.73 × 74,565.19 - Step 4: Simplify right side
163,302.70x = 18,267,183,809.17 - Step 5: Solve for x
x = 18,267,183,809.17/163,302.70 - Step 6: Final answer
x = 111,860.88
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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.