Finding the Fourth Proportional to 133,661.76, 184,457.10 and 73,237.68
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Solution
The fourth proportional to 133,661.76, 184,457.10 and 73,237.68 is: 101,070.12
Step by Step Solution
- Step 1: Write the proportion equation
133,661.76 : 184,457.10 = 73,237.68 : x - Step 2: Convert to fraction form
133,661.76/184,457.10 = 73,237.68/x - Step 3: Cross multiply
133,661.76x = 184,457.10 × 73,237.68 - Step 4: Simplify right side
133,661.76x = 13,509,210,063.53 - Step 5: Solve for x
x = 13,509,210,063.53/133,661.76 - Step 6: Final answer
x = 101,070.12
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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.