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Finding the Fourth Proportional to 73,791.66, 110,762.82 and 54,011.46

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Solution

The fourth proportional to 73,791.66, 110,762.82 and 54,011.46 is: 81,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.66 : 110,762.82 = 54,011.46 : x
  2. Step 2: Convert to fraction form
    73,791.66/110,762.82 = 54,011.46/x
  3. Step 3: Cross multiply
    73,791.66x = 110,762.82 × 54,011.46
  4. Step 4: Simplify right side
    73,791.66x = 5,982,461,621.92
  5. Step 5: Solve for x
    x = 5,982,461,621.92/73,791.66
  6. Step 6: Final answer
    x = 81,072.33

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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.