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Finding the Fourth Proportional to 283,234.80, 424,754.28 and 125,573.52

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Solution

The fourth proportional to 283,234.80, 424,754.28 and 125,573.52 is: 188,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,234.80 : 424,754.28 = 125,573.52 : x
  2. Step 2: Convert to fraction form
    283,234.80/424,754.28 = 125,573.52/x
  3. Step 3: Cross multiply
    283,234.80x = 424,754.28 × 125,573.52
  4. Step 4: Simplify right side
    283,234.80x = 53,337,890,074.67
  5. Step 5: Solve for x
    x = 53,337,890,074.67/283,234.80
  6. Step 6: Final answer
    x = 188,316.87

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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.