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Finding the Fourth Proportional to 92,568.38, 138,845.64 and 33,404.05

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Solution

The fourth proportional to 92,568.38, 138,845.64 and 33,404.05 is: 50,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,568.38 : 138,845.64 = 33,404.05 : x
  2. Step 2: Convert to fraction form
    92,568.38/138,845.64 = 33,404.05/x
  3. Step 3: Cross multiply
    92,568.38x = 138,845.64 × 33,404.05
  4. Step 4: Simplify right side
    92,568.38x = 4,638,006,030.76
  5. Step 5: Solve for x
    x = 4,638,006,030.76/92,568.38
  6. Step 6: Final answer
    x = 50,103.57

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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.