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Finding the Fourth Proportional to 96,126.60, 144,189.84 and 69,997.56

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Solution

The fourth proportional to 96,126.60, 144,189.84 and 69,997.56 is: 104,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,126.60 : 144,189.84 = 69,997.56 : x
  2. Step 2: Convert to fraction form
    96,126.60/144,189.84 = 69,997.56/x
  3. Step 3: Cross multiply
    96,126.60x = 144,189.84 × 69,997.56
  4. Step 4: Simplify right side
    96,126.60x = 10,092,936,976.79
  5. Step 5: Solve for x
    x = 10,092,936,976.79/96,126.60
  6. Step 6: Final answer
    x = 104,996.30

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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.