Finding the Fourth Proportional to 163,008.13, 244,513.11 and 74,199.53
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Solution
The fourth proportional to 163,008.13, 244,513.11 and 74,199.53 is: 111,299.71
Step by Step Solution
- Step 1: Write the proportion equation
163,008.13 : 244,513.11 = 74,199.53 : x - Step 2: Convert to fraction form
163,008.13/244,513.11 = 74,199.53/x - Step 3: Cross multiply
163,008.13x = 244,513.11 × 74,199.53 - Step 4: Simplify right side
163,008.13x = 18,142,757,840.84 - Step 5: Solve for x
x = 18,142,757,840.84/163,008.13 - Step 6: Final answer
x = 111,299.71
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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.