Finding the Fourth Proportional to 468,121.23, 702,181.95 and 113,135.21
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Solution
The fourth proportional to 468,121.23, 702,181.95 and 113,135.21 is: 169,702.84
Step by Step Solution
- Step 1: Write the proportion equation
468,121.23 : 702,181.95 = 113,135.21 : x - Step 2: Convert to fraction form
468,121.23/702,181.95 = 113,135.21/x - Step 3: Cross multiply
468,121.23x = 702,181.95 × 113,135.21 - Step 4: Simplify right side
468,121.23x = 79,441,501,917.99 - Step 5: Solve for x
x = 79,441,501,917.99/468,121.23 - Step 6: Final answer
x = 169,702.84
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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.