Finding the Fourth Proportional to 122,403.44, 183,566.28 and 39,278
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Solution
The fourth proportional to 122,403.44, 183,566.28 and 39,278 is: 58,904.52
Step by Step Solution
- Step 1: Write the proportion equation
122,403.44 : 183,566.28 = 39,278 : x - Step 2: Convert to fraction form
122,403.44/183,566.28 = 39,278/x - Step 3: Cross multiply
122,403.44x = 183,566.28 × 39,278 - Step 4: Simplify right side
122,403.44x = 7,210,116,345.84 - Step 5: Solve for x
x = 7,210,116,345.84/122,403.44 - Step 6: Final answer
x = 58,904.52
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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.