Finding the Fourth Proportional to 165,629.11, 228,573.79 and 93,044.81
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Solution
The fourth proportional to 165,629.11, 228,573.79 and 93,044.81 is: 128,404.99
Step by Step Solution
- Step 1: Write the proportion equation
165,629.11 : 228,573.79 = 93,044.81 : x - Step 2: Convert to fraction form
165,629.11/228,573.79 = 93,044.81/x - Step 3: Cross multiply
165,629.11x = 228,573.79 × 93,044.81 - Step 4: Simplify right side
165,629.11x = 21,267,603,718.66 - Step 5: Solve for x
x = 21,267,603,718.66/165,629.11 - Step 6: Final answer
x = 128,404.99
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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.