Finding the Fourth Proportional to 245,864.70, 368,748.45 and 119,504.70
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Solution
The fourth proportional to 245,864.70, 368,748.45 and 119,504.70 is: 179,233.43
Step by Step Solution
- Step 1: Write the proportion equation
245,864.70 : 368,748.45 = 119,504.70 : x - Step 2: Convert to fraction form
245,864.70/368,748.45 = 119,504.70/x - Step 3: Cross multiply
245,864.70x = 368,748.45 × 119,504.70 - Step 4: Simplify right side
245,864.70x = 44,067,172,892.72 - Step 5: Solve for x
x = 44,067,172,892.72/245,864.70 - Step 6: Final answer
x = 179,233.43
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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.