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Finding the Fourth Proportional to 92,489.45, 138,734.24 and 22,368.83

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Solution

The fourth proportional to 92,489.45, 138,734.24 and 22,368.83 is: 33,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,489.45 : 138,734.24 = 22,368.83 : x
  2. Step 2: Convert to fraction form
    92,489.45/138,734.24 = 22,368.83/x
  3. Step 3: Cross multiply
    92,489.45x = 138,734.24 × 22,368.83
  4. Step 4: Simplify right side
    92,489.45x = 3,103,322,282.90
  5. Step 5: Solve for x
    x = 3,103,322,282.90/92,489.45
  6. Step 6: Final answer
    x = 33,553.26

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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.