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Finding the Fourth Proportional to 92,199.91, 138,427.26 and 63,669.94

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Solution

The fourth proportional to 92,199.91, 138,427.26 and 63,669.94 is: 95,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,199.91 : 138,427.26 = 63,669.94 : x
  2. Step 2: Convert to fraction form
    92,199.91/138,427.26 = 63,669.94/x
  3. Step 3: Cross multiply
    92,199.91x = 138,427.26 × 63,669.94
  4. Step 4: Simplify right side
    92,199.91x = 8,813,655,338.56
  5. Step 5: Solve for x
    x = 8,813,655,338.56/92,199.91
  6. Step 6: Final answer
    x = 95,592.88

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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.