Finding the Fourth Proportional to 116,358.94, 160,592.70 and 71,062.98
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Solution
The fourth proportional to 116,358.94, 160,592.70 and 71,062.98 is: 98,077.52
Step by Step Solution
- Step 1: Write the proportion equation
116,358.94 : 160,592.70 = 71,062.98 : x - Step 2: Convert to fraction form
116,358.94/160,592.70 = 71,062.98/x - Step 3: Cross multiply
116,358.94x = 160,592.70 × 71,062.98 - Step 4: Simplify right side
116,358.94x = 11,412,195,828.25 - Step 5: Solve for x
x = 11,412,195,828.25/116,358.94 - Step 6: Final answer
x = 98,077.52
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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.