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Finding the Fourth Proportional to 165,696.72, 228,655.17 and 101,273.73

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Solution

The fourth proportional to 165,696.72, 228,655.17 and 101,273.73 is: 139,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,696.72 : 228,655.17 = 101,273.73 : x
  2. Step 2: Convert to fraction form
    165,696.72/228,655.17 = 101,273.73/x
  3. Step 3: Cross multiply
    165,696.72x = 228,655.17 × 101,273.73
  4. Step 4: Simplify right side
    165,696.72x = 23,156,761,949.68
  5. Step 5: Solve for x
    x = 23,156,761,949.68/165,696.72
  6. Step 6: Final answer
    x = 139,753.89

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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.