Finding the Fourth Proportional to 201,668.80, 302,260.20 and 117,266.80
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Solution
The fourth proportional to 201,668.80, 302,260.20 and 117,266.80 is: 175,758.90
Step by Step Solution
- Step 1: Write the proportion equation
201,668.80 : 302,260.20 = 117,266.80 : x - Step 2: Convert to fraction form
201,668.80/302,260.20 = 117,266.80/x - Step 3: Cross multiply
201,668.80x = 302,260.20 × 117,266.80 - Step 4: Simplify right side
201,668.80x = 35,445,086,421.36 - Step 5: Solve for x
x = 35,445,086,421.36/201,668.80 - Step 6: Final answer
x = 175,758.90
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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.