Finding the Fourth Proportional to 96,633.52, 133,308.84 and 68,354.80
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Solution
The fourth proportional to 96,633.52, 133,308.84 and 68,354.80 is: 94,297.50
Step by Step Solution
- Step 1: Write the proportion equation
96,633.52 : 133,308.84 = 68,354.80 : x - Step 2: Convert to fraction form
96,633.52/133,308.84 = 68,354.80/x - Step 3: Cross multiply
96,633.52x = 133,308.84 × 68,354.80 - Step 4: Simplify right side
96,633.52x = 9,112,299,096.43 - Step 5: Solve for x
x = 9,112,299,096.43/96,633.52 - Step 6: Final answer
x = 94,297.50
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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.