Finding the Fourth Proportional to 113,465.70, 170,198.55 and 29,225.70
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Solution
The fourth proportional to 113,465.70, 170,198.55 and 29,225.70 is: 43,838.55
Step by Step Solution
- Step 1: Write the proportion equation
113,465.70 : 170,198.55 = 29,225.70 : x - Step 2: Convert to fraction form
113,465.70/170,198.55 = 29,225.70/x - Step 3: Cross multiply
113,465.70x = 170,198.55 × 29,225.70 - Step 4: Simplify right side
113,465.70x = 4,974,171,762.74 - Step 5: Solve for x
x = 4,974,171,762.74/113,465.70 - Step 6: Final answer
x = 43,838.55
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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.