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Finding the Fourth Proportional to 283,500.48, 425,253.90 and 121,372.68

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Solution

The fourth proportional to 283,500.48, 425,253.90 and 121,372.68 is: 182,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,500.48 : 425,253.90 = 121,372.68 : x
  2. Step 2: Convert to fraction form
    283,500.48/425,253.90 = 121,372.68/x
  3. Step 3: Cross multiply
    283,500.48x = 425,253.90 × 121,372.68
  4. Step 4: Simplify right side
    283,500.48x = 51,614,205,523.45
  5. Step 5: Solve for x
    x = 51,614,205,523.45/283,500.48
  6. Step 6: Final answer
    x = 182,060.38

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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.