Finding the Fourth Proportional to 159,566.69, 239,350.79 and 47,249.02
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Solution
The fourth proportional to 159,566.69, 239,350.79 and 47,249.02 is: 70,873.75
Step by Step Solution
- Step 1: Write the proportion equation
159,566.69 : 239,350.79 = 47,249.02 : x - Step 2: Convert to fraction form
159,566.69/239,350.79 = 47,249.02/x - Step 3: Cross multiply
159,566.69x = 239,350.79 × 47,249.02 - Step 4: Simplify right side
159,566.69x = 11,309,089,783.47 - Step 5: Solve for x
x = 11,309,089,783.47/159,566.69 - Step 6: Final answer
x = 70,873.75
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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.