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Finding the Fourth Proportional to 108,716.97, 150,029.12 and 60,971.34

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Solution

The fourth proportional to 108,716.97, 150,029.12 and 60,971.34 is: 84,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,716.97 : 150,029.12 = 60,971.34 : x
  2. Step 2: Convert to fraction form
    108,716.97/150,029.12 = 60,971.34/x
  3. Step 3: Cross multiply
    108,716.97x = 150,029.12 × 60,971.34
  4. Step 4: Simplify right side
    108,716.97x = 9,147,476,180.56
  5. Step 5: Solve for x
    x = 9,147,476,180.56/108,716.97
  6. Step 6: Final answer
    x = 84,140.28

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1.5x scale

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.