Finding the Fourth Proportional to 155,775.79, 233,663.60 and 37,447.09
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Solution
The fourth proportional to 155,775.79, 233,663.60 and 37,447.09 is: 56,170.62
Step by Step Solution
- Step 1: Write the proportion equation
155,775.79 : 233,663.60 = 37,447.09 : x - Step 2: Convert to fraction form
155,775.79/233,663.60 = 37,447.09/x - Step 3: Cross multiply
155,775.79x = 233,663.60 × 37,447.09 - Step 4: Simplify right side
155,775.79x = 8,750,022,682.74 - Step 5: Solve for x
x = 8,750,022,682.74/155,775.79 - Step 6: Final answer
x = 56,170.62
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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.