Finding the Fourth Proportional to 112,548.60, 168,831.84 and 37,669.14
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Solution
The fourth proportional to 112,548.60, 168,831.84 and 37,669.14 is: 56,506.70
Step by Step Solution
- Step 1: Write the proportion equation
112,548.60 : 168,831.84 = 37,669.14 : x - Step 2: Convert to fraction form
112,548.60/168,831.84 = 37,669.14/x - Step 3: Cross multiply
112,548.60x = 168,831.84 × 37,669.14 - Step 4: Simplify right side
112,548.60x = 6,359,750,217.42 - Step 5: Solve for x
x = 6,359,750,217.42/112,548.60 - Step 6: Final answer
x = 56,506.70
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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.