Finding the Fourth Proportional to 192,089.70, 288,134.55 and 192,089.70
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Solution
The fourth proportional to 192,089.70, 288,134.55 and 192,089.70 is: 288,134.55
Step by Step Solution
- Step 1: Write the proportion equation
192,089.70 : 288,134.55 = 192,089.70 : x - Step 2: Convert to fraction form
192,089.70/288,134.55 = 192,089.70/x - Step 3: Cross multiply
192,089.70x = 288,134.55 × 192,089.70 - Step 4: Simplify right side
192,089.70x = 55,347,679,269.14 - Step 5: Solve for x
x = 55,347,679,269.14/192,089.70 - Step 6: Final answer
x = 288,134.55
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1.5x scale
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.