Finding the Fourth Proportional to 122,178.51, 183,243.16 and 33,440.99
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Solution
The fourth proportional to 122,178.51, 183,243.16 and 33,440.99 is: 50,154.74
Step by Step Solution
- Step 1: Write the proportion equation
122,178.51 : 183,243.16 = 33,440.99 : x - Step 2: Convert to fraction form
122,178.51/183,243.16 = 33,440.99/x - Step 3: Cross multiply
122,178.51x = 183,243.16 × 33,440.99 - Step 4: Simplify right side
122,178.51x = 6,127,831,597.71 - Step 5: Solve for x
x = 6,127,831,597.71/122,178.51 - Step 6: Final answer
x = 50,154.74
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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.