Finding the Fourth Proportional to 94,799.24, 141,780.57 and 84,342.65
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Solution
The fourth proportional to 94,799.24, 141,780.57 and 84,342.65 is: 126,141.82
Step by Step Solution
- Step 1: Write the proportion equation
94,799.24 : 141,780.57 = 84,342.65 : x - Step 2: Convert to fraction form
94,799.24/141,780.57 = 84,342.65/x - Step 3: Cross multiply
94,799.24x = 141,780.57 × 84,342.65 - Step 4: Simplify right side
94,799.24x = 11,958,148,283.41 - Step 5: Solve for x
x = 11,958,148,283.41/94,799.24 - Step 6: Final answer
x = 126,141.82
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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.