Finding the Fourth Proportional to 165,809.44, 248,762.80 and 53,487.44
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Solution
The fourth proportional to 165,809.44, 248,762.80 and 53,487.44 is: 80,246.85
Step by Step Solution
- Step 1: Write the proportion equation
165,809.44 : 248,762.80 = 53,487.44 : x - Step 2: Convert to fraction form
165,809.44/248,762.80 = 53,487.44/x - Step 3: Cross multiply
165,809.44x = 248,762.80 × 53,487.44 - Step 4: Simplify right side
165,809.44x = 13,305,685,339.23 - Step 5: Solve for x
x = 13,305,685,339.23/165,809.44 - Step 6: Final answer
x = 80,246.85
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1.5x scale
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.