Finding the Fourth Proportional to 99,358.24, 149,037.36 and 29,237.59
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Solution
The fourth proportional to 99,358.24, 149,037.36 and 29,237.59 is: 43,856.39
Step by Step Solution
- Step 1: Write the proportion equation
99,358.24 : 149,037.36 = 29,237.59 : x - Step 2: Convert to fraction form
99,358.24/149,037.36 = 29,237.59/x - Step 3: Cross multiply
99,358.24x = 149,037.36 × 29,237.59 - Step 4: Simplify right side
99,358.24x = 4,357,493,226.36 - Step 5: Solve for x
x = 4,357,493,226.36/99,358.24 - Step 6: Final answer
x = 43,856.39
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1.5x scale
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.