Finding the Fourth Proportional to 171,742.68, 236,895.84 and 124,066.08
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Solution
The fourth proportional to 171,742.68, 236,895.84 and 124,066.08 is: 171,132.41
Step by Step Solution
- Step 1: Write the proportion equation
171,742.68 : 236,895.84 = 124,066.08 : x - Step 2: Convert to fraction form
171,742.68/236,895.84 = 124,066.08/x - Step 3: Cross multiply
171,742.68x = 236,895.84 × 124,066.08 - Step 4: Simplify right side
171,742.68x = 29,390,738,237.11 - Step 5: Solve for x
x = 29,390,738,237.11/171,742.68 - Step 6: Final answer
x = 171,132.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.