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Finding the Fourth Proportional to 66,844.67, 100,279.67 and 26,866.77

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Solution

The fourth proportional to 66,844.67, 100,279.67 and 26,866.77 is: 40,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.67 : 100,279.67 = 26,866.77 : x
  2. Step 2: Convert to fraction form
    66,844.67/100,279.67 = 26,866.77/x
  3. Step 3: Cross multiply
    66,844.67x = 100,279.67 × 26,866.77
  4. Step 4: Simplify right side
    66,844.67x = 2,694,190,695.23
  5. Step 5: Solve for x
    x = 2,694,190,695.23/66,844.67
  6. Step 6: Final answer
    x = 40,305.24

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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.