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Finding the Fourth Proportional to 292,992.39, 404,317.98 and 165,665.25

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Solution

The fourth proportional to 292,992.39, 404,317.98 and 165,665.25 is: 228,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,992.39 : 404,317.98 = 165,665.25 : x
  2. Step 2: Convert to fraction form
    292,992.39/404,317.98 = 165,665.25/x
  3. Step 3: Cross multiply
    292,992.39x = 404,317.98 × 165,665.25
  4. Step 4: Simplify right side
    292,992.39x = 66,981,439,236.20
  5. Step 5: Solve for x
    x = 66,981,439,236.20/292,992.39
  6. Step 6: Final answer
    x = 228,611.53

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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.