Finding the Fourth Proportional to 168,814.44, 253,128.22 and 69,044.68
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Solution
The fourth proportional to 168,814.44, 253,128.22 and 69,044.68 is: 103,528.80
Step by Step Solution
- Step 1: Write the proportion equation
168,814.44 : 253,128.22 = 69,044.68 : x - Step 2: Convert to fraction form
168,814.44/253,128.22 = 69,044.68/x - Step 3: Cross multiply
168,814.44x = 253,128.22 × 69,044.68 - Step 4: Simplify right side
168,814.44x = 17,477,156,948.87 - Step 5: Solve for x
x = 17,477,156,948.87/168,814.44 - Step 6: Final answer
x = 103,528.80
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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.