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Finding the Fourth Proportional to 283,519.32, 425,456.98 and 115,040.32

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Solution

The fourth proportional to 283,519.32, 425,456.98 and 115,040.32 is: 172,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,519.32 : 425,456.98 = 115,040.32 : x
  2. Step 2: Convert to fraction form
    283,519.32/425,456.98 = 115,040.32/x
  3. Step 3: Cross multiply
    283,519.32x = 425,456.98 × 115,040.32
  4. Step 4: Simplify right side
    283,519.32x = 48,944,707,125.43
  5. Step 5: Solve for x
    x = 48,944,707,125.43/283,519.32
  6. Step 6: Final answer
    x = 172,632.70

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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.