Finding the Fourth Proportional to 132,462.69, 182,799.37 and 72,033.99
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Solution
The fourth proportional to 132,462.69, 182,799.37 and 72,033.99 is: 99,407.37
Step by Step Solution
- Step 1: Write the proportion equation
132,462.69 : 182,799.37 = 72,033.99 : x - Step 2: Convert to fraction form
132,462.69/182,799.37 = 72,033.99/x - Step 3: Cross multiply
132,462.69x = 182,799.37 × 72,033.99 - Step 4: Simplify right side
132,462.69x = 13,167,767,395.13 - Step 5: Solve for x
x = 13,167,767,395.13/132,462.69 - Step 6: Final answer
x = 99,407.37
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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.