Finding the Fourth Proportional to 274,482.91, 411,438.92 and 106,118.88
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Solution
The fourth proportional to 274,482.91, 411,438.92 and 106,118.88 is: 159,067.96
Step by Step Solution
- Step 1: Write the proportion equation
274,482.91 : 411,438.92 = 106,118.88 : x - Step 2: Convert to fraction form
274,482.91/411,438.92 = 106,118.88/x - Step 3: Cross multiply
274,482.91x = 411,438.92 × 106,118.88 - Step 4: Simplify right side
274,482.91x = 43,661,437,378.81 - Step 5: Solve for x
x = 43,661,437,378.81/274,482.91 - Step 6: Final answer
x = 159,067.96
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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.