Finding the Fourth Proportional to 304,182.80, 419,774.92 and 168,209.68
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Solution
The fourth proportional to 304,182.80, 419,774.92 and 168,209.68 is: 232,130.83
Step by Step Solution
- Step 1: Write the proportion equation
304,182.80 : 419,774.92 = 168,209.68 : x - Step 2: Convert to fraction form
304,182.80/419,774.92 = 168,209.68/x - Step 3: Cross multiply
304,182.80x = 419,774.92 × 168,209.68 - Step 4: Simplify right side
304,182.80x = 70,610,204,965.23 - Step 5: Solve for x
x = 70,610,204,965.23/304,182.80 - Step 6: Final answer
x = 232,130.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.