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Finding the Fourth Proportional to 86,579.62, 129,874.37 and 24,254.98

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Solution

The fourth proportional to 86,579.62, 129,874.37 and 24,254.98 is: 36,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.62 : 129,874.37 = 24,254.98 : x
  2. Step 2: Convert to fraction form
    86,579.62/129,874.37 = 24,254.98/x
  3. Step 3: Cross multiply
    86,579.62x = 129,874.37 × 24,254.98
  4. Step 4: Simplify right side
    86,579.62x = 3,150,100,246.86
  5. Step 5: Solve for x
    x = 3,150,100,246.86/86,579.62
  6. Step 6: Final answer
    x = 36,383.85

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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.