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Finding the Fourth Proportional to 115,651.59, 173,440.20 and 36,747.36

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Solution

The fourth proportional to 115,651.59, 173,440.20 and 36,747.36 is: 55,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.59 : 173,440.20 = 36,747.36 : x
  2. Step 2: Convert to fraction form
    115,651.59/173,440.20 = 36,747.36/x
  3. Step 3: Cross multiply
    115,651.59x = 173,440.20 × 36,747.36
  4. Step 4: Simplify right side
    115,651.59x = 6,373,469,467.87
  5. Step 5: Solve for x
    x = 6,373,469,467.87/115,651.59
  6. Step 6: Final answer
    x = 55,109.22

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1.5x scale

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.