Finding the Fourth Proportional to 176,474.20, 264,776.10 and 71,303.80
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Solution
The fourth proportional to 176,474.20, 264,776.10 and 71,303.80 is: 106,981.88
Step by Step Solution
- Step 1: Write the proportion equation
176,474.20 : 264,776.10 = 71,303.80 : x - Step 2: Convert to fraction form
176,474.20/264,776.10 = 71,303.80/x - Step 3: Cross multiply
176,474.20x = 264,776.10 × 71,303.80 - Step 4: Simplify right side
176,474.20x = 18,879,542,079.18 - Step 5: Solve for x
x = 18,879,542,079.18/176,474.20 - Step 6: Final answer
x = 106,981.88
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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.