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Finding the Fourth Proportional to 164,342.72, 226,789.26 and 92,720.90

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Solution

The fourth proportional to 164,342.72, 226,789.26 and 92,720.90 is: 127,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,342.72 : 226,789.26 = 92,720.90 : x
  2. Step 2: Convert to fraction form
    164,342.72/226,789.26 = 92,720.90/x
  3. Step 3: Cross multiply
    164,342.72x = 226,789.26 × 92,720.90
  4. Step 4: Simplify right side
    164,342.72x = 21,028,104,297.53
  5. Step 5: Solve for x
    x = 21,028,104,297.53/164,342.72
  6. Step 6: Final answer
    x = 127,952.76

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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.