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Finding the Fourth Proportional to 79,323, 118,989.36 and 23,919

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Solution

The fourth proportional to 79,323, 118,989.36 and 23,919 is: 35,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323 : 118,989.36 = 23,919 : x
  2. Step 2: Convert to fraction form
    79,323/118,989.36 = 23,919/x
  3. Step 3: Cross multiply
    79,323x = 118,989.36 × 23,919
  4. Step 4: Simplify right side
    79,323x = 2,846,106,501.84
  5. Step 5: Solve for x
    x = 2,846,106,501.84/79,323
  6. Step 6: Final answer
    x = 35,879.97

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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.