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Finding the Fourth Proportional to 132,754.37, 199,027.89 and 90,529.79

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Solution

The fourth proportional to 132,754.37, 199,027.89 and 90,529.79 is: 135,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.37 : 199,027.89 = 90,529.79 : x
  2. Step 2: Convert to fraction form
    132,754.37/199,027.89 = 90,529.79/x
  3. Step 3: Cross multiply
    132,754.37x = 199,027.89 × 90,529.79
  4. Step 4: Simplify right side
    132,754.37x = 18,017,952,090.70
  5. Step 5: Solve for x
    x = 18,017,952,090.70/132,754.37
  6. Step 6: Final answer
    x = 135,723.99

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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.