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Finding the Fourth Proportional to 73,816.61, 110,717.89 and 29,431.49

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Solution

The fourth proportional to 73,816.61, 110,717.89 and 29,431.49 is: 44,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.61 : 110,717.89 = 29,431.49 : x
  2. Step 2: Convert to fraction form
    73,816.61/110,717.89 = 29,431.49/x
  3. Step 3: Cross multiply
    73,816.61x = 110,717.89 × 29,431.49
  4. Step 4: Simplify right side
    73,816.61x = 3,258,591,845.19
  5. Step 5: Solve for x
    x = 3,258,591,845.19/73,816.61
  6. Step 6: Final answer
    x = 44,144.43

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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.