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Finding the Fourth Proportional to 95,354.88, 143,078.78 and 39,211.86

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Solution

The fourth proportional to 95,354.88, 143,078.78 and 39,211.86 is: 58,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,354.88 : 143,078.78 = 39,211.86 : x
  2. Step 2: Convert to fraction form
    95,354.88/143,078.78 = 39,211.86/x
  3. Step 3: Cross multiply
    95,354.88x = 143,078.78 × 39,211.86
  4. Step 4: Simplify right side
    95,354.88x = 5,610,385,090.33
  5. Step 5: Solve for x
    x = 5,610,385,090.33/95,354.88
  6. Step 6: Final answer
    x = 58,836.90

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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.