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Finding the Fourth Proportional to 79,474.72, 119,214.96 and 24,069.28

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Solution

The fourth proportional to 79,474.72, 119,214.96 and 24,069.28 is: 36,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,474.72 : 119,214.96 = 24,069.28 : x
  2. Step 2: Convert to fraction form
    79,474.72/119,214.96 = 24,069.28/x
  3. Step 3: Cross multiply
    79,474.72x = 119,214.96 × 24,069.28
  4. Step 4: Simplify right side
    79,474.72x = 2,869,418,252.43
  5. Step 5: Solve for x
    x = 2,869,418,252.43/79,474.72
  6. Step 6: Final answer
    x = 36,104.79

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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.