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Finding the Fourth Proportional to 92,676.85, 138,856.59 and 50,586.49

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Solution

The fourth proportional to 92,676.85, 138,856.59 and 50,586.49 is: 75,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,676.85 : 138,856.59 = 50,586.49 : x
  2. Step 2: Convert to fraction form
    92,676.85/138,856.59 = 50,586.49/x
  3. Step 3: Cross multiply
    92,676.85x = 138,856.59 × 50,586.49
  4. Step 4: Simplify right side
    92,676.85x = 7,024,266,807.19
  5. Step 5: Solve for x
    x = 7,024,266,807.19/92,676.85
  6. Step 6: Final answer
    x = 75,793.12

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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.