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Finding the Fourth Proportional to 79,871.62, 119,807.43 and 24,460.42

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Solution

The fourth proportional to 79,871.62, 119,807.43 and 24,460.42 is: 36,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.62 : 119,807.43 = 24,460.42 : x
  2. Step 2: Convert to fraction form
    79,871.62/119,807.43 = 24,460.42/x
  3. Step 3: Cross multiply
    79,871.62x = 119,807.43 × 24,460.42
  4. Step 4: Simplify right side
    79,871.62x = 2,930,540,056.92
  5. Step 5: Solve for x
    x = 2,930,540,056.92/79,871.62
  6. Step 6: Final answer
    x = 36,690.63

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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.