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Finding the Fourth Proportional to 95,298, 131,511.86 and 52,856.64

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Solution

The fourth proportional to 95,298, 131,511.86 and 52,856.64 is: 72,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,298 : 131,511.86 = 52,856.64 : x
  2. Step 2: Convert to fraction form
    95,298/131,511.86 = 52,856.64/x
  3. Step 3: Cross multiply
    95,298x = 131,511.86 × 52,856.64
  4. Step 4: Simplify right side
    95,298x = 6,951,274,775.47
  5. Step 5: Solve for x
    x = 6,951,274,775.47/95,298
  6. Step 6: Final answer
    x = 72,942.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.