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Finding the Fourth Proportional to 95,286.69, 142,900.76 and 65,893.41

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Solution

The fourth proportional to 95,286.69, 142,900.76 and 65,893.41 is: 98,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,286.69 : 142,900.76 = 65,893.41 : x
  2. Step 2: Convert to fraction form
    95,286.69/142,900.76 = 65,893.41/x
  3. Step 3: Cross multiply
    95,286.69x = 142,900.76 × 65,893.41
  4. Step 4: Simplify right side
    95,286.69x = 9,416,218,038.52
  5. Step 5: Solve for x
    x = 9,416,218,038.52/95,286.69
  6. Step 6: Final answer
    x = 98,819.87

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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.