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Finding the Fourth Proportional to 92,659.64, 127,866.87 and 50,217.26

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Solution

The fourth proportional to 92,659.64, 127,866.87 and 50,217.26 is: 69,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.64 : 127,866.87 = 50,217.26 : x
  2. Step 2: Convert to fraction form
    92,659.64/127,866.87 = 50,217.26/x
  3. Step 3: Cross multiply
    92,659.64x = 127,866.87 × 50,217.26
  4. Step 4: Simplify right side
    92,659.64x = 6,421,123,856.18
  5. Step 5: Solve for x
    x = 6,421,123,856.18/92,659.64
  6. Step 6: Final answer
    x = 69,297.96

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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.