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Finding the Fourth Proportional to 87,903.91, 131,859.50 and 25,574.41

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Solution

The fourth proportional to 87,903.91, 131,859.50 and 25,574.41 is: 38,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,903.91 : 131,859.50 = 25,574.41 : x
  2. Step 2: Convert to fraction form
    87,903.91/131,859.50 = 25,574.41/x
  3. Step 3: Cross multiply
    87,903.91x = 131,859.50 × 25,574.41
  4. Step 4: Simplify right side
    87,903.91x = 3,372,228,915.40
  5. Step 5: Solve for x
    x = 3,372,228,915.40/87,903.91
  6. Step 6: Final answer
    x = 38,362.67

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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.