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Finding the Fourth Proportional to 324,676.43, 487,014.63 and 88,012.96

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Solution

The fourth proportional to 324,676.43, 487,014.63 and 88,012.96 is: 132,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,676.43 : 487,014.63 = 88,012.96 : x
  2. Step 2: Convert to fraction form
    324,676.43/487,014.63 = 88,012.96/x
  3. Step 3: Cross multiply
    324,676.43x = 487,014.63 × 88,012.96
  4. Step 4: Simplify right side
    324,676.43x = 42,863,599,149.60
  5. Step 5: Solve for x
    x = 42,863,599,149.60/324,676.43
  6. Step 6: Final answer
    x = 132,019.43

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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.