Finding the Fourth Proportional to 177,125.20, 265,687.80 and 159,629.20
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Solution
The fourth proportional to 177,125.20, 265,687.80 and 159,629.20 is: 239,443.80
Step by Step Solution
- Step 1: Write the proportion equation
177,125.20 : 265,687.80 = 159,629.20 : x - Step 2: Convert to fraction form
177,125.20/265,687.80 = 159,629.20/x - Step 3: Cross multiply
177,125.20x = 265,687.80 × 159,629.20 - Step 4: Simplify right side
177,125.20x = 42,411,530,963.76 - Step 5: Solve for x
x = 42,411,530,963.76/177,125.20 - Step 6: Final answer
x = 239,443.80
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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.