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Finding the Fourth Proportional to 283,483.21, 425,086.23 and 123,694.18

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Solution

The fourth proportional to 283,483.21, 425,086.23 and 123,694.18 is: 185,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,483.21 : 425,086.23 = 123,694.18 : x
  2. Step 2: Convert to fraction form
    283,483.21/425,086.23 = 123,694.18/x
  3. Step 3: Cross multiply
    283,483.21x = 425,086.23 × 123,694.18
  4. Step 4: Simplify right side
    283,483.21x = 52,580,692,649.14
  5. Step 5: Solve for x
    x = 52,580,692,649.14/283,483.21
  6. Step 6: Final answer
    x = 185,480.80

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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.