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Finding the Fourth Proportional to 37,185.78, 55,778.78 and 26,141.88

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Solution

The fourth proportional to 37,185.78, 55,778.78 and 26,141.88 is: 39,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.78 : 55,778.78 = 26,141.88 : x
  2. Step 2: Convert to fraction form
    37,185.78/55,778.78 = 26,141.88/x
  3. Step 3: Cross multiply
    37,185.78x = 55,778.78 × 26,141.88
  4. Step 4: Simplify right side
    37,185.78x = 1,458,162,173.31
  5. Step 5: Solve for x
    x = 1,458,162,173.31/37,185.78
  6. Step 6: Final answer
    x = 39,212.90

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