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Finding the Fourth Proportional to 169,860.53, 254,789.89 and 43,500.53

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Solution

The fourth proportional to 169,860.53, 254,789.89 and 43,500.53 is: 65,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,860.53 : 254,789.89 = 43,500.53 : x
  2. Step 2: Convert to fraction form
    169,860.53/254,789.89 = 43,500.53/x
  3. Step 3: Cross multiply
    169,860.53x = 254,789.89 × 43,500.53
  4. Step 4: Simplify right side
    169,860.53x = 11,083,493,870.94
  5. Step 5: Solve for x
    x = 11,083,493,870.94/169,860.53
  6. Step 6: Final answer
    x = 65,250.56

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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.