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Finding the Fourth Proportional to 135,493.25, 203,239.87 and 56,564.42

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Solution

The fourth proportional to 135,493.25, 203,239.87 and 56,564.42 is: 84,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,493.25 : 203,239.87 = 56,564.42 : x
  2. Step 2: Convert to fraction form
    135,493.25/203,239.87 = 56,564.42/x
  3. Step 3: Cross multiply
    135,493.25x = 203,239.87 × 56,564.42
  4. Step 4: Simplify right side
    135,493.25x = 11,496,145,367.43
  5. Step 5: Solve for x
    x = 11,496,145,367.43/135,493.25
  6. Step 6: Final answer
    x = 84,846.63

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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.