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Finding the Fourth Proportional to 101,475.99, 152,171.12 and 30,408.73

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Solution

The fourth proportional to 101,475.99, 152,171.12 and 30,408.73 is: 45,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.99 : 152,171.12 = 30,408.73 : x
  2. Step 2: Convert to fraction form
    101,475.99/152,171.12 = 30,408.73/x
  3. Step 3: Cross multiply
    101,475.99x = 152,171.12 × 30,408.73
  4. Step 4: Simplify right side
    101,475.99x = 4,627,331,053.43
  5. Step 5: Solve for x
    x = 4,627,331,053.43/101,475.99
  6. Step 6: Final answer
    x = 45,600.26

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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.