Finding the Fourth Proportional to 134,876.92, 202,341.42 and 51,764.44
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Solution
The fourth proportional to 134,876.92, 202,341.42 and 51,764.44 is: 77,656.65
Step by Step Solution
- Step 1: Write the proportion equation
134,876.92 : 202,341.42 = 51,764.44 : x - Step 2: Convert to fraction form
134,876.92/202,341.42 = 51,764.44/x - Step 3: Cross multiply
134,876.92x = 202,341.42 × 51,764.44 - Step 4: Simplify right side
134,876.92x = 10,474,090,295.10 - Step 5: Solve for x
x = 10,474,090,295.10/134,876.92 - Step 6: Final answer
x = 77,656.65
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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.