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Finding the Fourth Proportional to 283,543.20, 425,509.20 and 125,884.80

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Solution

The fourth proportional to 283,543.20, 425,509.20 and 125,884.80 is: 188,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,543.20 : 425,509.20 = 125,884.80 : x
  2. Step 2: Convert to fraction form
    283,543.20/425,509.20 = 125,884.80/x
  3. Step 3: Cross multiply
    283,543.20x = 425,509.20 × 125,884.80
  4. Step 4: Simplify right side
    283,543.20x = 53,565,140,540.16
  5. Step 5: Solve for x
    x = 53,565,140,540.16/283,543.20
  6. Step 6: Final answer
    x = 188,913.51

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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.