Finding the Fourth Proportional to 178,102.96, 245,782.56 and 96,432.08
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Solution
The fourth proportional to 178,102.96, 245,782.56 and 96,432.08 is: 133,076.53
Step by Step Solution
- Step 1: Write the proportion equation
178,102.96 : 245,782.56 = 96,432.08 : x - Step 2: Convert to fraction form
178,102.96/245,782.56 = 96,432.08/x - Step 3: Cross multiply
178,102.96x = 245,782.56 × 96,432.08 - Step 4: Simplify right side
178,102.96x = 23,701,323,488.52 - Step 5: Solve for x
x = 23,701,323,488.52/178,102.96 - Step 6: Final answer
x = 133,076.53
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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.