Finding the Fourth Proportional to 232,740.48, 349,110.64 and 74,971.92
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Solution
The fourth proportional to 232,740.48, 349,110.64 and 74,971.92 is: 112,457.85
Step by Step Solution
- Step 1: Write the proportion equation
232,740.48 : 349,110.64 = 74,971.92 : x - Step 2: Convert to fraction form
232,740.48/349,110.64 = 74,971.92/x - Step 3: Cross multiply
232,740.48x = 349,110.64 × 74,971.92 - Step 4: Simplify right side
232,740.48x = 26,173,494,973.23 - Step 5: Solve for x
x = 26,173,494,973.23/232,740.48 - Step 6: Final answer
x = 112,457.85
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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.