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Finding the Fourth Proportional to 107,493.87, 161,129.64 and 36,392.98

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Solution

The fourth proportional to 107,493.87, 161,129.64 and 36,392.98 is: 54,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,493.87 : 161,129.64 = 36,392.98 : x
  2. Step 2: Convert to fraction form
    107,493.87/161,129.64 = 36,392.98/x
  3. Step 3: Cross multiply
    107,493.87x = 161,129.64 × 36,392.98
  4. Step 4: Simplify right side
    107,493.87x = 5,863,987,765.93
  5. Step 5: Solve for x
    x = 5,863,987,765.93/107,493.87
  6. Step 6: Final answer
    x = 54,551.83

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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.