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Finding the Fourth Proportional to 283,869.47, 425,425.92 and 134,149.52

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Solution

The fourth proportional to 283,869.47, 425,425.92 and 134,149.52 is: 201,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,869.47 : 425,425.92 = 134,149.52 : x
  2. Step 2: Convert to fraction form
    283,869.47/425,425.92 = 134,149.52/x
  3. Step 3: Cross multiply
    283,869.47x = 425,425.92 × 134,149.52
  4. Step 4: Simplify right side
    283,869.47x = 57,070,682,963.56
  5. Step 5: Solve for x
    x = 57,070,682,963.56/283,869.47
  6. Step 6: Final answer
    x = 201,045.51

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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.