Finding the Fourth Proportional to 160,066.68, 240,126.11 and 74,762.87
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Solution
The fourth proportional to 160,066.68, 240,126.11 and 74,762.87 is: 112,156.48
Step by Step Solution
- Step 1: Write the proportion equation
160,066.68 : 240,126.11 = 74,762.87 : x - Step 2: Convert to fraction form
160,066.68/240,126.11 = 74,762.87/x - Step 3: Cross multiply
160,066.68x = 240,126.11 × 74,762.87 - Step 4: Simplify right side
160,066.68x = 17,952,515,571.09 - Step 5: Solve for x
x = 17,952,515,571.09/160,066.68 - Step 6: Final answer
x = 112,156.48
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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.