Finding the Fourth Proportional to 134,843.10, 202,102.65 and 55,916.70
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Solution
The fourth proportional to 134,843.10, 202,102.65 and 55,916.70 is: 83,807.87
Step by Step Solution
- Step 1: Write the proportion equation
134,843.10 : 202,102.65 = 55,916.70 : x - Step 2: Convert to fraction form
134,843.10/202,102.65 = 55,916.70/x - Step 3: Cross multiply
134,843.10x = 202,102.65 × 55,916.70 - Step 4: Simplify right side
134,843.10x = 11,300,913,249.26 - Step 5: Solve for x
x = 11,300,913,249.26/134,843.10 - Step 6: Final answer
x = 83,807.87
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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.