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Finding the Fourth Proportional to 283,321.52, 424,825 and 131,352.56

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Solution

The fourth proportional to 283,321.52, 424,825 and 131,352.56 is: 196,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,321.52 : 424,825 = 131,352.56 : x
  2. Step 2: Convert to fraction form
    283,321.52/424,825 = 131,352.56/x
  3. Step 3: Cross multiply
    283,321.52x = 424,825 × 131,352.56
  4. Step 4: Simplify right side
    283,321.52x = 55,801,851,302
  5. Step 5: Solve for x
    x = 55,801,851,302/283,321.52
  6. Step 6: Final answer
    x = 196,955.92

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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.