Finding the Fourth Proportional to 163,684.12, 245,317.99 and 73,630.54
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Solution
The fourth proportional to 163,684.12, 245,317.99 and 73,630.54 is: 110,352.17
Step by Step Solution
- Step 1: Write the proportion equation
163,684.12 : 245,317.99 = 73,630.54 : x - Step 2: Convert to fraction form
163,684.12/245,317.99 = 73,630.54/x - Step 3: Cross multiply
163,684.12x = 245,317.99 × 73,630.54 - Step 4: Simplify right side
163,684.12x = 18,062,897,233.09 - Step 5: Solve for x
x = 18,062,897,233.09/163,684.12 - Step 6: Final answer
x = 110,352.17
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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.