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Finding the Fourth Proportional to 115,674.56, 173,462.88 and 36,767.60

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Solution

The fourth proportional to 115,674.56, 173,462.88 and 36,767.60 is: 55,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.56 : 173,462.88 = 36,767.60 : x
  2. Step 2: Convert to fraction form
    115,674.56/173,462.88 = 36,767.60/x
  3. Step 3: Cross multiply
    115,674.56x = 173,462.88 × 36,767.60
  4. Step 4: Simplify right side
    115,674.56x = 6,377,813,786.69
  5. Step 5: Solve for x
    x = 6,377,813,786.69/115,674.56
  6. Step 6: Final answer
    x = 55,135.84

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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.