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Finding the Fourth Proportional to 55,245.44, 76,237.26 and 31,044.44

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Solution

The fourth proportional to 55,245.44, 76,237.26 and 31,044.44 is: 42,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.44 : 76,237.26 = 31,044.44 : x
  2. Step 2: Convert to fraction form
    55,245.44/76,237.26 = 31,044.44/x
  3. Step 3: Cross multiply
    55,245.44x = 76,237.26 × 31,044.44
  4. Step 4: Simplify right side
    55,245.44x = 2,366,743,043.83
  5. Step 5: Solve for x
    x = 2,366,743,043.83/55,245.44
  6. Step 6: Final answer
    x = 42,840.51

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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.