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Finding the Fourth Proportional to 283,747.30, 425,426.55 and 134,059.30

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Solution

The fourth proportional to 283,747.30, 425,426.55 and 134,059.30 is: 200,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747.30 : 425,426.55 = 134,059.30 : x
  2. Step 2: Convert to fraction form
    283,747.30/425,426.55 = 134,059.30/x
  3. Step 3: Cross multiply
    283,747.30x = 425,426.55 × 134,059.30
  4. Step 4: Simplify right side
    283,747.30x = 57,032,385,494.42
  5. Step 5: Solve for x
    x = 57,032,385,494.42/283,747.30
  6. Step 6: Final answer
    x = 200,997.10

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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.