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Finding the Fourth Proportional to 113,963.66, 170,952.78 and 43,842.97

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Solution

The fourth proportional to 113,963.66, 170,952.78 and 43,842.97 is: 65,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,963.66 : 170,952.78 = 43,842.97 : x
  2. Step 2: Convert to fraction form
    113,963.66/170,952.78 = 43,842.97/x
  3. Step 3: Cross multiply
    113,963.66x = 170,952.78 × 43,842.97
  4. Step 4: Simplify right side
    113,963.66x = 7,495,077,736.44
  5. Step 5: Solve for x
    x = 7,495,077,736.44/113,963.66
  6. Step 6: Final answer
    x = 65,767.26

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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.