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Finding the Fourth Proportional to 164,341.64, 226,791.42 and 92,721.02

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Solution

The fourth proportional to 164,341.64, 226,791.42 and 92,721.02 is: 127,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,341.64 : 226,791.42 = 92,721.02 : x
  2. Step 2: Convert to fraction form
    164,341.64/226,791.42 = 92,721.02/x
  3. Step 3: Cross multiply
    164,341.64x = 226,791.42 × 92,721.02
  4. Step 4: Simplify right side
    164,341.64x = 21,028,331,789.65
  5. Step 5: Solve for x
    x = 21,028,331,789.65/164,341.64
  6. Step 6: Final answer
    x = 127,954.98

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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.