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Finding the Fourth Proportional to 168,586.75, 252,880.13 and 43,927.75

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Solution

The fourth proportional to 168,586.75, 252,880.13 and 43,927.75 is: 65,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,586.75 : 252,880.13 = 43,927.75 : x
  2. Step 2: Convert to fraction form
    168,586.75/252,880.13 = 43,927.75/x
  3. Step 3: Cross multiply
    168,586.75x = 252,880.13 × 43,927.75
  4. Step 4: Simplify right side
    168,586.75x = 11,108,455,130.61
  5. Step 5: Solve for x
    x = 11,108,455,130.61/168,586.75
  6. Step 6: Final answer
    x = 65,891.63

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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.