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Finding the Fourth Proportional to 283,380.88, 425,169.72 and 125,720.04

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Solution

The fourth proportional to 283,380.88, 425,169.72 and 125,720.04 is: 188,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,380.88 : 425,169.72 = 125,720.04 : x
  2. Step 2: Convert to fraction form
    283,380.88/425,169.72 = 125,720.04/x
  3. Step 3: Cross multiply
    283,380.88x = 425,169.72 × 125,720.04
  4. Step 4: Simplify right side
    283,380.88x = 53,452,354,205.19
  5. Step 5: Solve for x
    x = 53,452,354,205.19/283,380.88
  6. Step 6: Final answer
    x = 188,623.71

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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.