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Finding the Fourth Proportional to 75,165.99, 112,745.03 and 25,247.12

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Solution

The fourth proportional to 75,165.99, 112,745.03 and 25,247.12 is: 37,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.99 : 112,745.03 = 25,247.12 : x
  2. Step 2: Convert to fraction form
    75,165.99/112,745.03 = 25,247.12/x
  3. Step 3: Cross multiply
    75,165.99x = 112,745.03 × 25,247.12
  4. Step 4: Simplify right side
    75,165.99x = 2,846,486,611.85
  5. Step 5: Solve for x
    x = 2,846,486,611.85/75,165.99
  6. Step 6: Final answer
    x = 37,869.34

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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.