Finding the Fourth Proportional to 133,572.24, 184,329.99 and 72,319.08
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Solution
The fourth proportional to 133,572.24, 184,329.99 and 72,319.08 is: 99,800.49
Step by Step Solution
- Step 1: Write the proportion equation
133,572.24 : 184,329.99 = 72,319.08 : x - Step 2: Convert to fraction form
133,572.24/184,329.99 = 72,319.08/x - Step 3: Cross multiply
133,572.24x = 184,329.99 × 72,319.08 - Step 4: Simplify right side
133,572.24x = 13,330,575,293.21 - Step 5: Solve for x
x = 13,330,575,293.21/133,572.24 - Step 6: Final answer
x = 99,800.49
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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.