Finding the Fourth Proportional to 116,418.62, 174,572.64 and 53,219.99
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Solution
The fourth proportional to 116,418.62, 174,572.64 and 53,219.99 is: 79,804.71
Step by Step Solution
- Step 1: Write the proportion equation
116,418.62 : 174,572.64 = 53,219.99 : x - Step 2: Convert to fraction form
116,418.62/174,572.64 = 53,219.99/x - Step 3: Cross multiply
116,418.62x = 174,572.64 × 53,219.99 - Step 4: Simplify right side
116,418.62x = 9,290,753,282.21 - Step 5: Solve for x
x = 9,290,753,282.21/116,418.62 - Step 6: Final answer
x = 79,804.71
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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.