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Finding the Fourth Proportional to 73,560.37, 101,520.78 and 43,355.41

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Solution

The fourth proportional to 73,560.37, 101,520.78 and 43,355.41 is: 59,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,560.37 : 101,520.78 = 43,355.41 : x
  2. Step 2: Convert to fraction form
    73,560.37/101,520.78 = 43,355.41/x
  3. Step 3: Cross multiply
    73,560.37x = 101,520.78 × 43,355.41
  4. Step 4: Simplify right side
    73,560.37x = 4,401,475,040.42
  5. Step 5: Solve for x
    x = 4,401,475,040.42/73,560.37
  6. Step 6: Final answer
    x = 59,834.87

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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.