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Finding the Fourth Proportional to 111,469.53, 153,826.92 and 60,481.92

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Solution

The fourth proportional to 111,469.53, 153,826.92 and 60,481.92 is: 83,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,469.53 : 153,826.92 = 60,481.92 : x
  2. Step 2: Convert to fraction form
    111,469.53/153,826.92 = 60,481.92/x
  3. Step 3: Cross multiply
    111,469.53x = 153,826.92 × 60,481.92
  4. Step 4: Simplify right side
    111,469.53x = 9,303,747,469.29
  5. Step 5: Solve for x
    x = 9,303,747,469.29/111,469.53
  6. Step 6: Final answer
    x = 83,464.49

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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.