Finding the Fourth Proportional to 119,037.08, 164,270.68 and 65,322.99
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Solution
The fourth proportional to 119,037.08, 164,270.68 and 65,322.99 is: 90,145.46
Step by Step Solution
- Step 1: Write the proportion equation
119,037.08 : 164,270.68 = 65,322.99 : x - Step 2: Convert to fraction form
119,037.08/164,270.68 = 65,322.99/x - Step 3: Cross multiply
119,037.08x = 164,270.68 × 65,322.99 - Step 4: Simplify right side
119,037.08x = 10,730,652,191.07 - Step 5: Solve for x
x = 10,730,652,191.07/119,037.08 - Step 6: Final answer
x = 90,145.46
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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.