Finding the Fourth Proportional to 224,545.86, 336,780.50 and 74,769.16
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Solution
The fourth proportional to 224,545.86, 336,780.50 and 74,769.16 is: 112,140.99
Step by Step Solution
- Step 1: Write the proportion equation
224,545.86 : 336,780.50 = 74,769.16 : x - Step 2: Convert to fraction form
224,545.86/336,780.50 = 74,769.16/x - Step 3: Cross multiply
224,545.86x = 336,780.50 × 74,769.16 - Step 4: Simplify right side
224,545.86x = 25,180,795,089.38 - Step 5: Solve for x
x = 25,180,795,089.38/224,545.86 - Step 6: Final answer
x = 112,140.99
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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.