Finding the Fourth Proportional to 112,221.74, 168,360.35 and 33,335.84
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Solution
The fourth proportional to 112,221.74, 168,360.35 and 33,335.84 is: 50,011.99
Step by Step Solution
- Step 1: Write the proportion equation
112,221.74 : 168,360.35 = 33,335.84 : x - Step 2: Convert to fraction form
112,221.74/168,360.35 = 33,335.84/x - Step 3: Cross multiply
112,221.74x = 168,360.35 × 33,335.84 - Step 4: Simplify right side
112,221.74x = 5,612,432,681.46 - Step 5: Solve for x
x = 5,612,432,681.46/112,221.74 - Step 6: Final answer
x = 50,011.99
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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.