Finding the Fourth Proportional to 116,493.41, 160,758.99 and 64,808.53
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Solution
The fourth proportional to 116,493.41, 160,758.99 and 64,808.53 is: 89,434.70
Step by Step Solution
- Step 1: Write the proportion equation
116,493.41 : 160,758.99 = 64,808.53 : x - Step 2: Convert to fraction form
116,493.41/160,758.99 = 64,808.53/x - Step 3: Cross multiply
116,493.41x = 160,758.99 × 64,808.53 - Step 4: Simplify right side
116,493.41x = 10,418,553,424.29 - Step 5: Solve for x
x = 10,418,553,424.29/116,493.41 - Step 6: Final answer
x = 89,434.70
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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.