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Finding the Fourth Proportional to 113,843.97, 170,774.15 and 43,723.28

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Solution

The fourth proportional to 113,843.97, 170,774.15 and 43,723.28 is: 65,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,843.97 : 170,774.15 = 43,723.28 : x
  2. Step 2: Convert to fraction form
    113,843.97/170,774.15 = 43,723.28/x
  3. Step 3: Cross multiply
    113,843.97x = 170,774.15 × 43,723.28
  4. Step 4: Simplify right side
    113,843.97x = 7,466,805,977.21
  5. Step 5: Solve for x
    x = 7,466,805,977.21/113,843.97
  6. Step 6: Final answer
    x = 65,588.07

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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.