Finding the Fourth Proportional to 167,129.74, 250,669.95 and 48,769.30
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Solution
The fourth proportional to 167,129.74, 250,669.95 and 48,769.30 is: 73,146.75
Step by Step Solution
- Step 1: Write the proportion equation
167,129.74 : 250,669.95 = 48,769.30 : x - Step 2: Convert to fraction form
167,129.74/250,669.95 = 48,769.30/x - Step 3: Cross multiply
167,129.74x = 250,669.95 × 48,769.30 - Step 4: Simplify right side
167,129.74x = 12,224,997,992.54 - Step 5: Solve for x
x = 12,224,997,992.54/167,129.74 - Step 6: Final answer
x = 73,146.75
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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.