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Finding the Fourth Proportional to 95,858.96, 143,691.03 and 39,729.60

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Solution

The fourth proportional to 95,858.96, 143,691.03 and 39,729.60 is: 59,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,858.96 : 143,691.03 = 39,729.60 : x
  2. Step 2: Convert to fraction form
    95,858.96/143,691.03 = 39,729.60/x
  3. Step 3: Cross multiply
    95,858.96x = 143,691.03 × 39,729.60
  4. Step 4: Simplify right side
    95,858.96x = 5,708,787,145.49
  5. Step 5: Solve for x
    x = 5,708,787,145.49/95,858.96
  6. Step 6: Final answer
    x = 59,554.03

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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.