Finding the Fourth Proportional to 146,535.33, 202,226.21 and 86,125.44
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Solution
The fourth proportional to 146,535.33, 202,226.21 and 86,125.44 is: 118,857.49
Step by Step Solution
- Step 1: Write the proportion equation
146,535.33 : 202,226.21 = 86,125.44 : x - Step 2: Convert to fraction form
146,535.33/202,226.21 = 86,125.44/x - Step 3: Cross multiply
146,535.33x = 202,226.21 × 86,125.44 - Step 4: Simplify right side
146,535.33x = 17,416,820,885.16 - Step 5: Solve for x
x = 17,416,820,885.16/146,535.33 - Step 6: Final answer
x = 118,857.49
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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.