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Finding the Fourth Proportional to 169,542.56, 254,334.90 and 51,213.44

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Solution

The fourth proportional to 169,542.56, 254,334.90 and 51,213.44 is: 76,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,542.56 : 254,334.90 = 51,213.44 : x
  2. Step 2: Convert to fraction form
    169,542.56/254,334.90 = 51,213.44/x
  3. Step 3: Cross multiply
    169,542.56x = 254,334.90 × 51,213.44
  4. Step 4: Simplify right side
    169,542.56x = 13,025,365,141.06
  5. Step 5: Solve for x
    x = 13,025,365,141.06/169,542.56
  6. Step 6: Final answer
    x = 76,826.52

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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.