Finding the Fourth Proportional to 242,276.67, 363,427.56 and 73,783.98
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Solution
The fourth proportional to 242,276.67, 363,427.56 and 73,783.98 is: 110,679.79
Step by Step Solution
- Step 1: Write the proportion equation
242,276.67 : 363,427.56 = 73,783.98 : x - Step 2: Convert to fraction form
242,276.67/363,427.56 = 73,783.98/x - Step 3: Cross multiply
242,276.67x = 363,427.56 × 73,783.98 - Step 4: Simplify right side
242,276.67x = 26,815,131,818.49 - Step 5: Solve for x
x = 26,815,131,818.49/242,276.67 - Step 6: Final answer
x = 110,679.79
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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.