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Finding the Fourth Proportional to 283,956.36, 425,932.38 and 84,277.32

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Solution

The fourth proportional to 283,956.36, 425,932.38 and 84,277.32 is: 126,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,956.36 : 425,932.38 = 84,277.32 : x
  2. Step 2: Convert to fraction form
    283,956.36/425,932.38 = 84,277.32/x
  3. Step 3: Cross multiply
    283,956.36x = 425,932.38 × 84,277.32
  4. Step 4: Simplify right side
    283,956.36x = 35,896,439,487.62
  5. Step 5: Solve for x
    x = 35,896,439,487.62/283,956.36
  6. Step 6: Final answer
    x = 126,415.34

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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.