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Finding the Fourth Proportional to 113,963.94, 170,944.02 and 43,858.44

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Solution

The fourth proportional to 113,963.94, 170,944.02 and 43,858.44 is: 65,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,963.94 : 170,944.02 = 43,858.44 : x
  2. Step 2: Convert to fraction form
    113,963.94/170,944.02 = 43,858.44/x
  3. Step 3: Cross multiply
    113,963.94x = 170,944.02 × 43,858.44
  4. Step 4: Simplify right side
    113,963.94x = 7,497,338,044.53
  5. Step 5: Solve for x
    x = 7,497,338,044.53/113,963.94
  6. Step 6: Final answer
    x = 65,786.93

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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.