Finding the Fourth Proportional to 162,029.70, 243,044.55 and 162,029.70
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Solution
The fourth proportional to 162,029.70, 243,044.55 and 162,029.70 is: 243,044.55
Step by Step Solution
- Step 1: Write the proportion equation
162,029.70 : 243,044.55 = 162,029.70 : x - Step 2: Convert to fraction form
162,029.70/243,044.55 = 162,029.70/x - Step 3: Cross multiply
162,029.70x = 243,044.55 × 162,029.70 - Step 4: Simplify right side
162,029.70x = 39,380,435,523.14 - Step 5: Solve for x
x = 39,380,435,523.14/162,029.70 - Step 6: Final answer
x = 243,044.55
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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.