Finding the Fourth Proportional to 134,896.48, 202,344.60 and 40,126.28
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Solution
The fourth proportional to 134,896.48, 202,344.60 and 40,126.28 is: 60,189.38
Step by Step Solution
- Step 1: Write the proportion equation
134,896.48 : 202,344.60 = 40,126.28 : x - Step 2: Convert to fraction form
134,896.48/202,344.60 = 40,126.28/x - Step 3: Cross multiply
134,896.48x = 202,344.60 × 40,126.28 - Step 4: Simplify right side
134,896.48x = 8,119,336,076.09 - Step 5: Solve for x
x = 8,119,336,076.09/134,896.48 - Step 6: Final answer
x = 60,189.38
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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.