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Finding the Fourth Proportional to 144,695.52, 199,683.36 and 81,046.26

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Solution

The fourth proportional to 144,695.52, 199,683.36 and 81,046.26 is: 111,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,695.52 : 199,683.36 = 81,046.26 : x
  2. Step 2: Convert to fraction form
    144,695.52/199,683.36 = 81,046.26/x
  3. Step 3: Cross multiply
    144,695.52x = 199,683.36 × 81,046.26
  4. Step 4: Simplify right side
    144,695.52x = 16,183,589,512.23
  5. Step 5: Solve for x
    x = 16,183,589,512.23/144,695.52
  6. Step 6: Final answer
    x = 111,845.82

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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.