Finding the Fourth Proportional to 242,174.36, 363,064.70 and 84,513.53
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Solution
The fourth proportional to 242,174.36, 363,064.70 and 84,513.53 is: 126,701.60
Step by Step Solution
- Step 1: Write the proportion equation
242,174.36 : 363,064.70 = 84,513.53 : x - Step 2: Convert to fraction form
242,174.36/363,064.70 = 84,513.53/x - Step 3: Cross multiply
242,174.36x = 363,064.70 × 84,513.53 - Step 4: Simplify right side
242,174.36x = 30,683,877,494.43 - Step 5: Solve for x
x = 30,683,877,494.43/242,174.36 - Step 6: Final answer
x = 126,701.60
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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.