Finding the Fourth Proportional to 106,136.77, 159,210.87 and 27,251.68
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Solution
The fourth proportional to 106,136.77, 159,210.87 and 27,251.68 is: 40,878.99
Step by Step Solution
- Step 1: Write the proportion equation
106,136.77 : 159,210.87 = 27,251.68 : x - Step 2: Convert to fraction form
106,136.77/159,210.87 = 27,251.68/x - Step 3: Cross multiply
106,136.77x = 159,210.87 × 27,251.68 - Step 4: Simplify right side
106,136.77x = 4,338,763,681.76 - Step 5: Solve for x
x = 4,338,763,681.76/106,136.77 - Step 6: Final answer
x = 40,878.99
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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.