Finding the Fourth Proportional to 342,769.84, 514,179.24 and 106,082.08
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Solution
The fourth proportional to 342,769.84, 514,179.24 and 106,082.08 is: 159,130.70
Step by Step Solution
- Step 1: Write the proportion equation
342,769.84 : 514,179.24 = 106,082.08 : x - Step 2: Convert to fraction form
342,769.84/514,179.24 = 106,082.08/x - Step 3: Cross multiply
342,769.84x = 514,179.24 × 106,082.08 - Step 4: Simplify right side
342,769.84x = 54,545,203,272.02 - Step 5: Solve for x
x = 54,545,203,272.02/342,769.84 - Step 6: Final answer
x = 159,130.70
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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.