Finding the Fourth Proportional to 110,229.84, 152,129.08 and 62,478.08
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Solution
The fourth proportional to 110,229.84, 152,129.08 and 62,478.08 is: 86,226.50
Step by Step Solution
- Step 1: Write the proportion equation
110,229.84 : 152,129.08 = 62,478.08 : x - Step 2: Convert to fraction form
110,229.84/152,129.08 = 62,478.08/x - Step 3: Cross multiply
110,229.84x = 152,129.08 × 62,478.08 - Step 4: Simplify right side
110,229.84x = 9,504,732,830.57 - Step 5: Solve for x
x = 9,504,732,830.57/110,229.84 - Step 6: Final answer
x = 86,226.50
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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.