Finding the Fourth Proportional to 335,791.20, 503,686.80 and 125,401.80
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Solution
The fourth proportional to 335,791.20, 503,686.80 and 125,401.80 is: 188,102.70
Step by Step Solution
- Step 1: Write the proportion equation
335,791.20 : 503,686.80 = 125,401.80 : x - Step 2: Convert to fraction form
335,791.20/503,686.80 = 125,401.80/x - Step 3: Cross multiply
335,791.20x = 503,686.80 × 125,401.80 - Step 4: Simplify right side
335,791.20x = 63,163,231,356.24 - Step 5: Solve for x
x = 63,163,231,356.24/335,791.20 - Step 6: Final answer
x = 188,102.70
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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.