Finding the Fourth Proportional to 133,641.06, 184,373.29 and 76,283.57
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Solution
The fourth proportional to 133,641.06, 184,373.29 and 76,283.57 is: 105,241.99
Step by Step Solution
- Step 1: Write the proportion equation
133,641.06 : 184,373.29 = 76,283.57 : x - Step 2: Convert to fraction form
133,641.06/184,373.29 = 76,283.57/x - Step 3: Cross multiply
133,641.06x = 184,373.29 × 76,283.57 - Step 4: Simplify right side
133,641.06x = 14,064,651,470.56 - Step 5: Solve for x
x = 14,064,651,470.56/133,641.06 - Step 6: Final answer
x = 105,241.99
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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.