Finding the Fourth Proportional to 146,421.06, 202,160.25 and 92,753.70
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Solution
The fourth proportional to 146,421.06, 202,160.25 and 92,753.70 is: 128,062.94
Step by Step Solution
- Step 1: Write the proportion equation
146,421.06 : 202,160.25 = 92,753.70 : x - Step 2: Convert to fraction form
146,421.06/202,160.25 = 92,753.70/x - Step 3: Cross multiply
146,421.06x = 202,160.25 × 92,753.70 - Step 4: Simplify right side
146,421.06x = 18,751,111,180.43 - Step 5: Solve for x
x = 18,751,111,180.43/146,421.06 - Step 6: Final answer
x = 128,062.94
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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.