Finding the Fourth Proportional to 125,905.40, 176,578.60 and 125,905.40
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Solution
The fourth proportional to 125,905.40, 176,578.60 and 125,905.40 is: 176,578.60
Step by Step Solution
- Step 1: Write the proportion equation
125,905.40 : 176,578.60 = 125,905.40 : x - Step 2: Convert to fraction form
125,905.40/176,578.60 = 125,905.40/x - Step 3: Cross multiply
125,905.40x = 176,578.60 × 125,905.40 - Step 4: Simplify right side
125,905.40x = 22,232,199,264.44 - Step 5: Solve for x
x = 22,232,199,264.44/125,905.40 - Step 6: Final answer
x = 176,578.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.