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Finding the Fourth Proportional to 95,756, 143,633.89 and 43,103.96

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Solution

The fourth proportional to 95,756, 143,633.89 and 43,103.96 is: 64,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,756 : 143,633.89 = 43,103.96 : x
  2. Step 2: Convert to fraction form
    95,756/143,633.89 = 43,103.96/x
  3. Step 3: Cross multiply
    95,756x = 143,633.89 × 43,103.96
  4. Step 4: Simplify right side
    95,756x = 6,191,189,449.20
  5. Step 5: Solve for x
    x = 6,191,189,449.20/95,756
  6. Step 6: Final answer
    x = 64,655.89

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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.