Finding the Fourth Proportional to 159,122.56, 219,574.11 and 94,586.62
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Solution
The fourth proportional to 159,122.56, 219,574.11 and 94,586.62 is: 130,520.61
Step by Step Solution
- Step 1: Write the proportion equation
159,122.56 : 219,574.11 = 94,586.62 : x - Step 2: Convert to fraction form
159,122.56/219,574.11 = 94,586.62/x - Step 3: Cross multiply
159,122.56x = 219,574.11 × 94,586.62 - Step 4: Simplify right side
159,122.56x = 20,768,772,904.41 - Step 5: Solve for x
x = 20,768,772,904.41/159,122.56 - Step 6: Final answer
x = 130,520.61
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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.