Finding the Fourth Proportional to 374,126.79, 561,273.11 and 107,866.53
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Solution
The fourth proportional to 374,126.79, 561,273.11 and 107,866.53 is: 161,823.70
Step by Step Solution
- Step 1: Write the proportion equation
374,126.79 : 561,273.11 = 107,866.53 : x - Step 2: Convert to fraction form
374,126.79/561,273.11 = 107,866.53/x - Step 3: Cross multiply
374,126.79x = 561,273.11 × 107,866.53 - Step 4: Simplify right side
374,126.79x = 60,542,582,758.01 - Step 5: Solve for x
x = 60,542,582,758.01/374,126.79 - Step 6: Final answer
x = 161,823.70
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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.