Finding the Fourth Proportional to 133,972.41, 184,881.20 and 73,544.08
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Solution
The fourth proportional to 133,972.41, 184,881.20 and 73,544.08 is: 101,490.43
Step by Step Solution
- Step 1: Write the proportion equation
133,972.41 : 184,881.20 = 73,544.08 : x - Step 2: Convert to fraction form
133,972.41/184,881.20 = 73,544.08/x - Step 3: Cross multiply
133,972.41x = 184,881.20 × 73,544.08 - Step 4: Simplify right side
133,972.41x = 13,596,917,763.30 - Step 5: Solve for x
x = 13,596,917,763.30/133,972.41 - Step 6: Final answer
x = 101,490.43
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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.