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Finding the Fourth Proportional to 95,866,793.10, 143,800,189.65 and 66,531,249.90

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Solution

The fourth proportional to 95,866,793.10, 143,800,189.65 and 66,531,249.90 is: 99,796,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,866,793.10 : 143,800,189.65 = 66,531,249.90 : x
  2. Step 2: Convert to fraction form
    95,866,793.10/143,800,189.65 = 66,531,249.90/x
  3. Step 3: Cross multiply
    95,866,793.10x = 143,800,189.65 × 66,531,249.90
  4. Step 4: Simplify right side
    95,866,793.10x = 9,567,206,353,271,544
  5. Step 5: Solve for x
    x = 9,567,206,353,271,544/95,866,793.10
  6. Step 6: Final answer
    x = 99,796,874.85

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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.