Finding the Fourth Proportional to 178,255.12, 245,968.72 and 106,609
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Solution
The fourth proportional to 178,255.12, 245,968.72 and 106,609 is: 147,106.46
Step by Step Solution
- Step 1: Write the proportion equation
178,255.12 : 245,968.72 = 106,609 : x - Step 2: Convert to fraction form
178,255.12/245,968.72 = 106,609/x - Step 3: Cross multiply
178,255.12x = 245,968.72 × 106,609 - Step 4: Simplify right side
178,255.12x = 26,222,479,270.48 - Step 5: Solve for x
x = 26,222,479,270.48/178,255.12 - Step 6: Final answer
x = 147,106.46
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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.