Finding the Fourth Proportional to 133,432.63, 184,102.45 and 79,693.99
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Solution
The fourth proportional to 133,432.63, 184,102.45 and 79,693.99 is: 109,957.05
Step by Step Solution
- Step 1: Write the proportion equation
133,432.63 : 184,102.45 = 79,693.99 : x - Step 2: Convert to fraction form
133,432.63/184,102.45 = 79,693.99/x - Step 3: Cross multiply
133,432.63x = 184,102.45 × 79,693.99 - Step 4: Simplify right side
133,432.63x = 14,671,858,809.28 - Step 5: Solve for x
x = 14,671,858,809.28/133,432.63 - Step 6: Final answer
x = 109,957.05
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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.