Finding the Fourth Proportional to 141,029.70, 211,544.55 and 134,117.70
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Solution
The fourth proportional to 141,029.70, 211,544.55 and 134,117.70 is: 201,176.55
Step by Step Solution
- Step 1: Write the proportion equation
141,029.70 : 211,544.55 = 134,117.70 : x - Step 2: Convert to fraction form
141,029.70/211,544.55 = 134,117.70/x - Step 3: Cross multiply
141,029.70x = 211,544.55 × 134,117.70 - Step 4: Simplify right side
141,029.70x = 28,371,868,493.54 - Step 5: Solve for x
x = 28,371,868,493.54/141,029.70 - Step 6: Final answer
x = 201,176.55
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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.