Finding the Fourth Proportional to 422,252.19, 633,382.38 and 106,709.13
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Solution
The fourth proportional to 422,252.19, 633,382.38 and 106,709.13 is: 160,064.73
Step by Step Solution
- Step 1: Write the proportion equation
422,252.19 : 633,382.38 = 106,709.13 : x - Step 2: Convert to fraction form
422,252.19/633,382.38 = 106,709.13/x - Step 3: Cross multiply
422,252.19x = 633,382.38 × 106,709.13 - Step 4: Simplify right side
422,252.19x = 67,587,682,727.13 - Step 5: Solve for x
x = 67,587,682,727.13/422,252.19 - Step 6: Final answer
x = 160,064.73
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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.