Finding the Fourth Proportional to 122,959.44, 184,325.76 and 48,130.56
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Solution
The fourth proportional to 122,959.44, 184,325.76 and 48,130.56 is: 72,151.45
Step by Step Solution
- Step 1: Write the proportion equation
122,959.44 : 184,325.76 = 48,130.56 : x - Step 2: Convert to fraction form
122,959.44/184,325.76 = 48,130.56/x - Step 3: Cross multiply
122,959.44x = 184,325.76 × 48,130.56 - Step 4: Simplify right side
122,959.44x = 8,871,702,051.23 - Step 5: Solve for x
x = 8,871,702,051.23/122,959.44 - Step 6: Final answer
x = 72,151.45
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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.