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Finding the Fourth Proportional to 90,704.88, 136,057.64 and 27,525.54

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Solution

The fourth proportional to 90,704.88, 136,057.64 and 27,525.54 is: 41,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.88 : 136,057.64 = 27,525.54 : x
  2. Step 2: Convert to fraction form
    90,704.88/136,057.64 = 27,525.54/x
  3. Step 3: Cross multiply
    90,704.88x = 136,057.64 × 27,525.54
  4. Step 4: Simplify right side
    90,704.88x = 3,745,060,012.13
  5. Step 5: Solve for x
    x = 3,745,060,012.13/90,704.88
  6. Step 6: Final answer
    x = 41,288.41

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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.