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Finding the Fourth Proportional to 73,786.86, 110,641.86 and 26,383.68

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Solution

The fourth proportional to 73,786.86, 110,641.86 and 26,383.68 is: 39,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,786.86 : 110,641.86 = 26,383.68 : x
  2. Step 2: Convert to fraction form
    73,786.86/110,641.86 = 26,383.68/x
  3. Step 3: Cross multiply
    73,786.86x = 110,641.86 × 26,383.68
  4. Step 4: Simplify right side
    73,786.86x = 2,919,139,428.84
  5. Step 5: Solve for x
    x = 2,919,139,428.84/73,786.86
  6. Step 6: Final answer
    x = 39,561.78

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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.