Finding the Fourth Proportional to 178,363.43, 246,134.95 and 97,789.17
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Solution
The fourth proportional to 178,363.43, 246,134.95 and 97,789.17 is: 134,945.45
Step by Step Solution
- Step 1: Write the proportion equation
178,363.43 : 246,134.95 = 97,789.17 : x - Step 2: Convert to fraction form
178,363.43/246,134.95 = 97,789.17/x - Step 3: Cross multiply
178,363.43x = 246,134.95 × 97,789.17 - Step 4: Simplify right side
178,363.43x = 24,069,332,468.49 - Step 5: Solve for x
x = 24,069,332,468.49/178,363.43 - Step 6: Final answer
x = 134,945.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.