Finding the Fourth Proportional to 168,298.57, 232,252.02 and 92,847.07
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Solution
The fourth proportional to 168,298.57, 232,252.02 and 92,847.07 is: 128,128.95
Step by Step Solution
- Step 1: Write the proportion equation
168,298.57 : 232,252.02 = 92,847.07 : x - Step 2: Convert to fraction form
168,298.57/232,252.02 = 92,847.07/x - Step 3: Cross multiply
168,298.57x = 232,252.02 × 92,847.07 - Step 4: Simplify right side
168,298.57x = 21,563,919,558.58 - Step 5: Solve for x
x = 21,563,919,558.58/168,298.57 - Step 6: Final answer
x = 128,128.95
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1.5x scale
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.