Finding the Fourth Proportional to 122,246.90, 183,370.35 and 48,374.90
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Solution
The fourth proportional to 122,246.90, 183,370.35 and 48,374.90 is: 72,562.35
Step by Step Solution
- Step 1: Write the proportion equation
122,246.90 : 183,370.35 = 48,374.90 : x - Step 2: Convert to fraction form
122,246.90/183,370.35 = 48,374.90/x - Step 3: Cross multiply
122,246.90x = 183,370.35 × 48,374.90 - Step 4: Simplify right side
122,246.90x = 8,870,522,344.22 - Step 5: Solve for x
x = 8,870,522,344.22/122,246.90 - Step 6: Final answer
x = 72,562.35
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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.