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Finding the Fourth Proportional to 95,997.60, 143,996.40 and 72,669.60

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Solution

The fourth proportional to 95,997.60, 143,996.40 and 72,669.60 is: 109,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,997.60 : 143,996.40 = 72,669.60 : x
  2. Step 2: Convert to fraction form
    95,997.60/143,996.40 = 72,669.60/x
  3. Step 3: Cross multiply
    95,997.60x = 143,996.40 × 72,669.60
  4. Step 4: Simplify right side
    95,997.60x = 10,464,160,789.44
  5. Step 5: Solve for x
    x = 10,464,160,789.44/95,997.60
  6. Step 6: Final answer
    x = 109,004.40

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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.