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Finding the Fourth Proportional to 95,863.80, 143,783.10 and 29,310.60

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Solution

The fourth proportional to 95,863.80, 143,783.10 and 29,310.60 is: 43,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,863.80 : 143,783.10 = 29,310.60 : x
  2. Step 2: Convert to fraction form
    95,863.80/143,783.10 = 29,310.60/x
  3. Step 3: Cross multiply
    95,863.80x = 143,783.10 × 29,310.60
  4. Step 4: Simplify right side
    95,863.80x = 4,214,368,930.86
  5. Step 5: Solve for x
    x = 4,214,368,930.86/95,863.80
  6. Step 6: Final answer
    x = 43,962.05

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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.