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Finding the Fourth Proportional to 95,231.52, 142,847.52 and 28,671.84

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Solution

The fourth proportional to 95,231.52, 142,847.52 and 28,671.84 is: 43,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,231.52 : 142,847.52 = 28,671.84 : x
  2. Step 2: Convert to fraction form
    95,231.52/142,847.52 = 28,671.84/x
  3. Step 3: Cross multiply
    95,231.52x = 142,847.52 × 28,671.84
  4. Step 4: Simplify right side
    95,231.52x = 4,095,701,237.84
  5. Step 5: Solve for x
    x = 4,095,701,237.84/95,231.52
  6. Step 6: Final answer
    x = 43,007.83

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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.