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Finding the Fourth Proportional to 79,792.31, 110,118.31 and 43,982.24

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Solution

The fourth proportional to 79,792.31, 110,118.31 and 43,982.24 is: 60,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792.31 : 110,118.31 = 43,982.24 : x
  2. Step 2: Convert to fraction form
    79,792.31/110,118.31 = 43,982.24/x
  3. Step 3: Cross multiply
    79,792.31x = 110,118.31 × 43,982.24
  4. Step 4: Simplify right side
    79,792.31x = 4,843,249,278.27
  5. Step 5: Solve for x
    x = 4,843,249,278.27/79,792.31
  6. Step 6: Final answer
    x = 60,698.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.