Finding the Fourth Proportional to 106,614.84, 147,093.08 and 70,334.31
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Solution
The fourth proportional to 106,614.84, 147,093.08 and 70,334.31 is: 97,037.99
Step by Step Solution
- Step 1: Write the proportion equation
106,614.84 : 147,093.08 = 70,334.31 : x - Step 2: Convert to fraction form
106,614.84/147,093.08 = 70,334.31/x - Step 3: Cross multiply
106,614.84x = 147,093.08 × 70,334.31 - Step 4: Simplify right side
106,614.84x = 10,345,689,935.90 - Step 5: Solve for x
x = 10,345,689,935.90/106,614.84 - Step 6: Final answer
x = 97,037.99
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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.