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Finding the Fourth Proportional to 57,378.56, 85,908.22 and 29,237.95

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Solution

The fourth proportional to 57,378.56, 85,908.22 and 29,237.95 is: 43,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.56 : 85,908.22 = 29,237.95 : x
  2. Step 2: Convert to fraction form
    57,378.56/85,908.22 = 29,237.95/x
  3. Step 3: Cross multiply
    57,378.56x = 85,908.22 × 29,237.95
  4. Step 4: Simplify right side
    57,378.56x = 2,511,780,026.18
  5. Step 5: Solve for x
    x = 2,511,780,026.18/57,378.56
  6. Step 6: Final answer
    x = 43,775.58

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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.