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Finding the Fourth Proportional to 79,917.44, 119,873.28 and 24,512

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Solution

The fourth proportional to 79,917.44, 119,873.28 and 24,512 is: 36,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,917.44 : 119,873.28 = 24,512 : x
  2. Step 2: Convert to fraction form
    79,917.44/119,873.28 = 24,512/x
  3. Step 3: Cross multiply
    79,917.44x = 119,873.28 × 24,512
  4. Step 4: Simplify right side
    79,917.44x = 2,938,333,839.36
  5. Step 5: Solve for x
    x = 2,938,333,839.36/79,917.44
  6. Step 6: Final answer
    x = 36,767.12

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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.