Finding the Fourth Proportional to 167,963.92, 251,989.20 and 62,783.68
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Solution
The fourth proportional to 167,963.92, 251,989.20 and 62,783.68 is: 94,191.71
Step by Step Solution
- Step 1: Write the proportion equation
167,963.92 : 251,989.20 = 62,783.68 : x - Step 2: Convert to fraction form
167,963.92/251,989.20 = 62,783.68/x - Step 3: Cross multiply
167,963.92x = 251,989.20 × 62,783.68 - Step 4: Simplify right side
167,963.92x = 15,820,809,296.26 - Step 5: Solve for x
x = 15,820,809,296.26/167,963.92 - Step 6: Final answer
x = 94,191.71
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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.