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Finding the Fourth Proportional to 95,781.69, 143,672.10 and 29,221.59

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Solution

The fourth proportional to 95,781.69, 143,672.10 and 29,221.59 is: 43,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,781.69 : 143,672.10 = 29,221.59 : x
  2. Step 2: Convert to fraction form
    95,781.69/143,672.10 = 29,221.59/x
  3. Step 3: Cross multiply
    95,781.69x = 143,672.10 × 29,221.59
  4. Step 4: Simplify right side
    95,781.69x = 4,198,327,200.64
  5. Step 5: Solve for x
    x = 4,198,327,200.64/95,781.69
  6. Step 6: Final answer
    x = 43,832.25

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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.