Finding the Fourth Proportional to 132,369.08, 198,652.05 and 53,483.99
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Solution
The fourth proportional to 132,369.08, 198,652.05 and 53,483.99 is: 80,265.75
Step by Step Solution
- Step 1: Write the proportion equation
132,369.08 : 198,652.05 = 53,483.99 : x - Step 2: Convert to fraction form
132,369.08/198,652.05 = 53,483.99/x - Step 3: Cross multiply
132,369.08x = 198,652.05 × 53,483.99 - Step 4: Simplify right side
132,369.08x = 10,624,703,262.42 - Step 5: Solve for x
x = 10,624,703,262.42/132,369.08 - Step 6: Final answer
x = 80,265.75
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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.