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Finding the Fourth Proportional to 115,761.44, 173,607.96 and 49,199.60

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Solution

The fourth proportional to 115,761.44, 173,607.96 and 49,199.60 is: 73,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,761.44 : 173,607.96 = 49,199.60 : x
  2. Step 2: Convert to fraction form
    115,761.44/173,607.96 = 49,199.60/x
  3. Step 3: Cross multiply
    115,761.44x = 173,607.96 × 49,199.60
  4. Step 4: Simplify right side
    115,761.44x = 8,541,442,188.82
  5. Step 5: Solve for x
    x = 8,541,442,188.82/115,761.44
  6. Step 6: Final answer
    x = 73,784.86

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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.