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Finding the Fourth Proportional to 73,781.57, 110,645.23 and 26,383.81

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Solution

The fourth proportional to 73,781.57, 110,645.23 and 26,383.81 is: 39,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.57 : 110,645.23 = 26,383.81 : x
  2. Step 2: Convert to fraction form
    73,781.57/110,645.23 = 26,383.81/x
  3. Step 3: Cross multiply
    73,781.57x = 110,645.23 × 26,383.81
  4. Step 4: Simplify right side
    73,781.57x = 2,919,242,725.73
  5. Step 5: Solve for x
    x = 2,919,242,725.73/73,781.57
  6. Step 6: Final answer
    x = 39,566.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.