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Finding the Fourth Proportional to 95,997.40, 143,996.10 and 66,448.60

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Solution

The fourth proportional to 95,997.40, 143,996.10 and 66,448.60 is: 99,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,997.40 : 143,996.10 = 66,448.60 : x
  2. Step 2: Convert to fraction form
    95,997.40/143,996.10 = 66,448.60/x
  3. Step 3: Cross multiply
    95,997.40x = 143,996.10 × 66,448.60
  4. Step 4: Simplify right side
    95,997.40x = 9,568,339,250.46
  5. Step 5: Solve for x
    x = 9,568,339,250.46/95,997.40
  6. Step 6: Final answer
    x = 99,672.90

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1.5x scale

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.