Finding the Fourth Proportional to 116,423.33, 160,769.07 and 73,478.84
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Solution
The fourth proportional to 116,423.33, 160,769.07 and 73,478.84 is: 101,466.99
Step by Step Solution
- Step 1: Write the proportion equation
116,423.33 : 160,769.07 = 73,478.84 : x - Step 2: Convert to fraction form
116,423.33/160,769.07 = 73,478.84/x - Step 3: Cross multiply
116,423.33x = 160,769.07 × 73,478.84 - Step 4: Simplify right side
116,423.33x = 11,813,123,967.63 - Step 5: Solve for x
x = 11,813,123,967.63/116,423.33 - Step 6: Final answer
x = 101,466.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.