Finding the Fourth Proportional to 106,716.44, 147,337.38 and 68,492.48
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Solution
The fourth proportional to 106,716.44, 147,337.38 and 68,492.48 is: 94,563.71
Step by Step Solution
- Step 1: Write the proportion equation
106,716.44 : 147,337.38 = 68,492.48 : x - Step 2: Convert to fraction form
106,716.44/147,337.38 = 68,492.48/x - Step 3: Cross multiply
106,716.44x = 147,337.38 × 68,492.48 - Step 4: Simplify right side
106,716.44x = 10,091,502,552.90 - Step 5: Solve for x
x = 10,091,502,552.90/106,716.44 - Step 6: Final answer
x = 94,563.71
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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.