Finding the Fourth Proportional to 114,359.91, 157,619.64 and 76,050.99
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Solution
The fourth proportional to 114,359.91, 157,619.64 and 76,050.99 is: 104,819.33
Step by Step Solution
- Step 1: Write the proportion equation
114,359.91 : 157,619.64 = 76,050.99 : x - Step 2: Convert to fraction form
114,359.91/157,619.64 = 76,050.99/x - Step 3: Cross multiply
114,359.91x = 157,619.64 × 76,050.99 - Step 4: Simplify right side
114,359.91x = 11,987,129,665.44 - Step 5: Solve for x
x = 11,987,129,665.44/114,359.91 - Step 6: Final answer
x = 104,819.33
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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.