Finding the Fourth Proportional to 132,763.79, 199,165.28 and 48,504.26
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Solution
The fourth proportional to 132,763.79, 199,165.28 and 48,504.26 is: 72,763.55
Step by Step Solution
- Step 1: Write the proportion equation
132,763.79 : 199,165.28 = 48,504.26 : x - Step 2: Convert to fraction form
132,763.79/199,165.28 = 48,504.26/x - Step 3: Cross multiply
132,763.79x = 199,165.28 × 48,504.26 - Step 4: Simplify right side
132,763.79x = 9,660,364,779.48 - Step 5: Solve for x
x = 9,660,364,779.48/132,763.79 - Step 6: Final answer
x = 72,763.55
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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.