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Finding the Fourth Proportional to 79,755.77, 119,652.26 and 26,443.85

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Solution

The fourth proportional to 79,755.77, 119,652.26 and 26,443.85 is: 39,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,755.77 : 119,652.26 = 26,443.85 : x
  2. Step 2: Convert to fraction form
    79,755.77/119,652.26 = 26,443.85/x
  3. Step 3: Cross multiply
    79,755.77x = 119,652.26 × 26,443.85
  4. Step 4: Simplify right side
    79,755.77x = 3,164,065,959.05
  5. Step 5: Solve for x
    x = 3,164,065,959.05/79,755.77
  6. Step 6: Final answer
    x = 39,671.94

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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.