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Finding the Fourth Proportional to 114,469.82, 171,729.28 and 38,575.84

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Solution

The fourth proportional to 114,469.82, 171,729.28 and 38,575.84 is: 57,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,469.82 : 171,729.28 = 38,575.84 : x
  2. Step 2: Convert to fraction form
    114,469.82/171,729.28 = 38,575.84/x
  3. Step 3: Cross multiply
    114,469.82x = 171,729.28 × 38,575.84
  4. Step 4: Simplify right side
    114,469.82x = 6,624,601,228.60
  5. Step 5: Solve for x
    x = 6,624,601,228.60/114,469.82
  6. Step 6: Final answer
    x = 57,872.03

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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.