Finding the Fourth Proportional to 118,005.64, 176,852.94 and 47,846.68
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Solution
The fourth proportional to 118,005.64, 176,852.94 and 47,846.68 is: 71,706.96
Step by Step Solution
- Step 1: Write the proportion equation
118,005.64 : 176,852.94 = 47,846.68 : x - Step 2: Convert to fraction form
118,005.64/176,852.94 = 47,846.68/x - Step 3: Cross multiply
118,005.64x = 176,852.94 × 47,846.68 - Step 4: Simplify right side
118,005.64x = 8,461,826,027.24 - Step 5: Solve for x
x = 8,461,826,027.24/118,005.64 - Step 6: Final answer
x = 71,706.96
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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.