Finding the Fourth Proportional to 220,377.96, 304,128 and 124,881.48
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Solution
The fourth proportional to 220,377.96, 304,128 and 124,881.48 is: 172,340.08
Step by Step Solution
- Step 1: Write the proportion equation
220,377.96 : 304,128 = 124,881.48 : x - Step 2: Convert to fraction form
220,377.96/304,128 = 124,881.48/x - Step 3: Cross multiply
220,377.96x = 304,128 × 124,881.48 - Step 4: Simplify right side
220,377.96x = 37,979,954,749.44 - Step 5: Solve for x
x = 37,979,954,749.44/220,377.96 - Step 6: Final answer
x = 172,340.08
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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.