Finding the Fourth Proportional to 188,876.23, 283,345.11 and 55,769.92
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Solution
The fourth proportional to 188,876.23, 283,345.11 and 55,769.92 is: 83,663.96
Step by Step Solution
- Step 1: Write the proportion equation
188,876.23 : 283,345.11 = 55,769.92 : x - Step 2: Convert to fraction form
188,876.23/283,345.11 = 55,769.92/x - Step 3: Cross multiply
188,876.23x = 283,345.11 × 55,769.92 - Step 4: Simplify right side
188,876.23x = 15,802,134,117.09 - Step 5: Solve for x
x = 15,802,134,117.09/188,876.23 - Step 6: Final answer
x = 83,663.96
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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.