Finding the Fourth Proportional to 122,357.68, 183,536.16 and 33,611.28
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Solution
The fourth proportional to 122,357.68, 183,536.16 and 33,611.28 is: 50,416.81
Step by Step Solution
- Step 1: Write the proportion equation
122,357.68 : 183,536.16 = 33,611.28 : x - Step 2: Convert to fraction form
122,357.68/183,536.16 = 33,611.28/x - Step 3: Cross multiply
122,357.68x = 183,536.16 × 33,611.28 - Step 4: Simplify right side
122,357.68x = 6,168,884,346.20 - Step 5: Solve for x
x = 6,168,884,346.20/122,357.68 - Step 6: Final answer
x = 50,416.81
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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.