Finding the Fourth Proportional to 124,293.72, 171,524.44 and 67,705.08
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Solution
The fourth proportional to 124,293.72, 171,524.44 and 67,705.08 is: 93,432.52
Step by Step Solution
- Step 1: Write the proportion equation
124,293.72 : 171,524.44 = 67,705.08 : x - Step 2: Convert to fraction form
124,293.72/171,524.44 = 67,705.08/x - Step 3: Cross multiply
124,293.72x = 171,524.44 × 67,705.08 - Step 4: Simplify right side
124,293.72x = 11,613,075,932.16 - Step 5: Solve for x
x = 11,613,075,932.16/124,293.72 - Step 6: Final answer
x = 93,432.52
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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.