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Finding the Fourth Proportional to 73,160.88, 109,469.16 and 43,594.80

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Solution

The fourth proportional to 73,160.88, 109,469.16 and 43,594.80 is: 65,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.88 : 109,469.16 = 43,594.80 : x
  2. Step 2: Convert to fraction form
    73,160.88/109,469.16 = 43,594.80/x
  3. Step 3: Cross multiply
    73,160.88x = 109,469.16 × 43,594.80
  4. Step 4: Simplify right side
    73,160.88x = 4,772,286,136.37
  5. Step 5: Solve for x
    x = 4,772,286,136.37/73,160.88
  6. Step 6: Final answer
    x = 65,230.03

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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.