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Finding the Fourth Proportional to 73,304.72, 109,716.60 and 55,677.68

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Solution

The fourth proportional to 73,304.72, 109,716.60 and 55,677.68 is: 83,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,304.72 : 109,716.60 = 55,677.68 : x
  2. Step 2: Convert to fraction form
    73,304.72/109,716.60 = 55,677.68/x
  3. Step 3: Cross multiply
    73,304.72x = 109,716.60 × 55,677.68
  4. Step 4: Simplify right side
    73,304.72x = 6,108,765,745.49
  5. Step 5: Solve for x
    x = 6,108,765,745.49/73,304.72
  6. Step 6: Final answer
    x = 83,333.87

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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.