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Finding the Fourth Proportional to 73,340.40, 110,010.60 and 43,791.60

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Solution

The fourth proportional to 73,340.40, 110,010.60 and 43,791.60 is: 65,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.40 : 110,010.60 = 43,791.60 : x
  2. Step 2: Convert to fraction form
    73,340.40/110,010.60 = 43,791.60/x
  3. Step 3: Cross multiply
    73,340.40x = 110,010.60 × 43,791.60
  4. Step 4: Simplify right side
    73,340.40x = 4,817,540,190.96
  5. Step 5: Solve for x
    x = 4,817,540,190.96/73,340.40
  6. Step 6: Final answer
    x = 65,687.40

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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.