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Finding the Fourth Proportional to 73,967.14, 102,066.78 and 43,753.60

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Solution

The fourth proportional to 73,967.14, 102,066.78 and 43,753.60 is: 60,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,967.14 : 102,066.78 = 43,753.60 : x
  2. Step 2: Convert to fraction form
    73,967.14/102,066.78 = 43,753.60/x
  3. Step 3: Cross multiply
    73,967.14x = 102,066.78 × 43,753.60
  4. Step 4: Simplify right side
    73,967.14x = 4,465,789,065.41
  5. Step 5: Solve for x
    x = 4,465,789,065.41/73,967.14
  6. Step 6: Final answer
    x = 60,375.31

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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.