Finding the Fourth Proportional to 107,225.18, 160,802.53 and 36,128.68
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Solution
The fourth proportional to 107,225.18, 160,802.53 and 36,128.68 is: 54,181.14
Step by Step Solution
- Step 1: Write the proportion equation
107,225.18 : 160,802.53 = 36,128.68 : x - Step 2: Convert to fraction form
107,225.18/160,802.53 = 36,128.68/x - Step 3: Cross multiply
107,225.18x = 160,802.53 × 36,128.68 - Step 4: Simplify right side
107,225.18x = 5,809,582,657.23 - Step 5: Solve for x
x = 5,809,582,657.23/107,225.18 - Step 6: Final answer
x = 54,181.14
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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.