Finding the Fourth Proportional to 174,079.13, 261,133.88 and 49,420.13
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Solution
The fourth proportional to 174,079.13, 261,133.88 and 49,420.13 is: 74,134.50
Step by Step Solution
- Step 1: Write the proportion equation
174,079.13 : 261,133.88 = 49,420.13 : x - Step 2: Convert to fraction form
174,079.13/261,133.88 = 49,420.13/x - Step 3: Cross multiply
174,079.13x = 261,133.88 × 49,420.13 - Step 4: Simplify right side
174,079.13x = 12,905,268,744.23 - Step 5: Solve for x
x = 12,905,268,744.23/174,079.13 - Step 6: Final answer
x = 74,134.50
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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.