Finding the Fourth Proportional to 335,346.44, 503,154.07 and 122,129.20
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Solution
The fourth proportional to 335,346.44, 503,154.07 and 122,129.20 is: 183,242.75
Step by Step Solution
- Step 1: Write the proportion equation
335,346.44 : 503,154.07 = 122,129.20 : x - Step 2: Convert to fraction form
335,346.44/503,154.07 = 122,129.20/x - Step 3: Cross multiply
335,346.44x = 503,154.07 × 122,129.20 - Step 4: Simplify right side
335,346.44x = 61,449,804,980.11 - Step 5: Solve for x
x = 61,449,804,980.11/335,346.44 - Step 6: Final answer
x = 183,242.75
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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.