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Finding the Fourth Proportional to 173,832.21, 260,865.16 and 61,511.96

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Solution

The fourth proportional to 173,832.21, 260,865.16 and 61,511.96 is: 92,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,832.21 : 260,865.16 = 61,511.96 : x
  2. Step 2: Convert to fraction form
    173,832.21/260,865.16 = 61,511.96/x
  3. Step 3: Cross multiply
    173,832.21x = 260,865.16 × 61,511.96
  4. Step 4: Simplify right side
    173,832.21x = 16,046,327,785.70
  5. Step 5: Solve for x
    x = 16,046,327,785.70/173,832.21
  6. Step 6: Final answer
    x = 92,309.29

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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.