Finding the Fourth Proportional to 113,464.66, 156,602.22 and 65,717.99
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Solution
The fourth proportional to 113,464.66, 156,602.22 and 65,717.99 is: 90,702.99
Step by Step Solution
- Step 1: Write the proportion equation
113,464.66 : 156,602.22 = 65,717.99 : x - Step 2: Convert to fraction form
113,464.66/156,602.22 = 65,717.99/x - Step 3: Cross multiply
113,464.66x = 156,602.22 × 65,717.99 - Step 4: Simplify right side
113,464.66x = 10,291,583,127.94 - Step 5: Solve for x
x = 10,291,583,127.94/113,464.66 - Step 6: Final answer
x = 90,702.99
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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.