Finding the Fourth Proportional to 122,592.44, 169,181.92 and 68,876.38
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Solution
The fourth proportional to 122,592.44, 169,181.92 and 68,876.38 is: 95,051.84
Step by Step Solution
- Step 1: Write the proportion equation
122,592.44 : 169,181.92 = 68,876.38 : x - Step 2: Convert to fraction form
122,592.44/169,181.92 = 68,876.38/x - Step 3: Cross multiply
122,592.44x = 169,181.92 × 68,876.38 - Step 4: Simplify right side
122,592.44x = 11,652,637,169.54 - Step 5: Solve for x
x = 11,652,637,169.54/122,592.44 - Step 6: Final answer
x = 95,051.84
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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.