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Finding the Fourth Proportional to 171,005.72, 235,983.24 and 94,519.44

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Solution

The fourth proportional to 171,005.72, 235,983.24 and 94,519.44 is: 130,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,005.72 : 235,983.24 = 94,519.44 : x
  2. Step 2: Convert to fraction form
    171,005.72/235,983.24 = 94,519.44/x
  3. Step 3: Cross multiply
    171,005.72x = 235,983.24 × 94,519.44
  4. Step 4: Simplify right side
    171,005.72x = 22,305,003,694.19
  5. Step 5: Solve for x
    x = 22,305,003,694.19/171,005.72
  6. Step 6: Final answer
    x = 130,434.26

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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.