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Finding the Fourth Proportional to 73,660.60, 110,534.10 and 26,918.20

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Solution

The fourth proportional to 73,660.60, 110,534.10 and 26,918.20 is: 40,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.60 : 110,534.10 = 26,918.20 : x
  2. Step 2: Convert to fraction form
    73,660.60/110,534.10 = 26,918.20/x
  3. Step 3: Cross multiply
    73,660.60x = 110,534.10 × 26,918.20
  4. Step 4: Simplify right side
    73,660.60x = 2,975,379,010.62
  5. Step 5: Solve for x
    x = 2,975,379,010.62/73,660.60
  6. Step 6: Final answer
    x = 40,393.09

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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.