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Finding the Fourth Proportional to 156,590.87, 216,093.09 and 92,067.38

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Solution

The fourth proportional to 156,590.87, 216,093.09 and 92,067.38 is: 127,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,590.87 : 216,093.09 = 92,067.38 : x
  2. Step 2: Convert to fraction form
    156,590.87/216,093.09 = 92,067.38/x
  3. Step 3: Cross multiply
    156,590.87x = 216,093.09 × 92,067.38
  4. Step 4: Simplify right side
    156,590.87x = 19,895,125,664.12
  5. Step 5: Solve for x
    x = 19,895,125,664.12/156,590.87
  6. Step 6: Final answer
    x = 127,051.63

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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.